Finding the Fourth Proportional to 79,603,345,663.21, 109,855,327,827.72 and 47,078,440,302.72

Step by Step Solution

1. Step 1: Write the proportion equation
   79,603,345,663.21 : 109,855,327,827.72 = 47,078,440,302.72 : x
2. Step 2: Convert to fraction form
   79,603,345,663.21/109,855,327,827.72 = 47,078,440,302.72/x
3. Step 3: Cross multiply
   79,603,345,663.21x = 109,855,327,827.72 × 47,078,440,302.72
4. Step 4: Simplify right side
   79,603,345,663.21x = 5,171,817,493,073,051,516,928
5. Step 5: Solve for x
   x = 5,171,817,493,073,051,516,928/79,603,345,663.21
6. Step 6: Final answer
   x = 64,969,850,827.05