Finding the Fourth Proportional to 123,096.75, 169,831.10 and 74,713.92

Step by Step Solution

1. Step 1: Write the proportion equation
   123,096.75 : 169,831.10 = 74,713.92 : x
2. Step 2: Convert to fraction form
   123,096.75/169,831.10 = 74,713.92/x
3. Step 3: Cross multiply
   123,096.75x = 169,831.10 × 74,713.92
4. Step 4: Simplify right side
   123,096.75x = 12,688,746,845.34
5. Step 5: Solve for x
   x = 12,688,746,845.34/123,096.75
6. Step 6: Final answer
   x = 103,079.46