Finding the Fourth Proportional to 123,981.03, 171,099.14 and 76,250.16

Step by Step Solution

1. Step 1: Write the proportion equation
   123,981.03 : 171,099.14 = 76,250.16 : x
2. Step 2: Convert to fraction form
   123,981.03/171,099.14 = 76,250.16/x
3. Step 3: Cross multiply
   123,981.03x = 171,099.14 × 76,250.16
4. Step 4: Simplify right side
   123,981.03x = 13,046,336,419.61
5. Step 5: Solve for x
   x = 13,046,336,419.61/123,981.03
6. Step 6: Final answer
   x = 105,228.49