Finding the Fourth Proportional to 71,920.71, 99,209.94 and 45,016.52

Step by Step Solution

1. Step 1: Write the proportion equation
   71,920.71 : 99,209.94 = 45,016.52 : x
2. Step 2: Convert to fraction form
   71,920.71/99,209.94 = 45,016.52/x
3. Step 3: Cross multiply
   71,920.71x = 99,209.94 × 45,016.52
4. Step 4: Simplify right side
   71,920.71x = 4,466,085,752.16
5. Step 5: Solve for x
   x = 4,466,085,752.16/71,920.71
6. Step 6: Final answer
   x = 62,097.35