Finding the Fourth Proportional to 125,713, 173,488.80 and 69,123.16

Step by Step Solution

1. Step 1: Write the proportion equation
   125,713 : 173,488.80 = 69,123.16 : x
2. Step 2: Convert to fraction form
   125,713/173,488.80 = 69,123.16/x
3. Step 3: Cross multiply
   125,713x = 173,488.80 × 69,123.16
4. Step 4: Simplify right side
   125,713x = 11,992,094,080.61
5. Step 5: Solve for x
   x = 11,992,094,080.61/125,713
6. Step 6: Final answer
   x = 95,392.63