Finding the Fourth Proportional to 79,710, 110,002.72 and 49,512

Step by Step Solution

1. Step 1: Write the proportion equation
   79,710 : 110,002.72 = 49,512 : x
2. Step 2: Convert to fraction form
   79,710/110,002.72 = 49,512/x
3. Step 3: Cross multiply
   79,710x = 110,002.72 × 49,512
4. Step 4: Simplify right side
   79,710x = 5,446,454,672.64
5. Step 5: Solve for x
   x = 5,446,454,672.64/79,710
6. Step 6: Final answer
   x = 68,328.37