Finding the Fourth Proportional to 79,603,345,662.21, 109,855,327,826.34 and 47,078,440,301.72

Step by Step Solution

1. Step 1: Write the proportion equation
   79,603,345,662.21 : 109,855,327,826.34 = 47,078,440,301.72 : x
2. Step 2: Convert to fraction form
   79,603,345,662.21/109,855,327,826.34 = 47,078,440,301.72/x
3. Step 3: Cross multiply
   79,603,345,662.21x = 109,855,327,826.34 × 47,078,440,301.72
4. Step 4: Simplify right side
   79,603,345,662.21x = 5,171,817,492,898,007,482,368
5. Step 5: Solve for x
   x = 5,171,817,492,898,007,482,368/79,603,345,662.21
6. Step 6: Final answer
   x = 64,969,850,825.67