Finding the Fourth Proportional to 185,981.94, 256,656.55 and 101,098.78

Step by Step Solution

1. Step 1: Write the proportion equation
   185,981.94 : 256,656.55 = 101,098.78 : x
2. Step 2: Convert to fraction form
   185,981.94/256,656.55 = 101,098.78/x
3. Step 3: Cross multiply
   185,981.94x = 256,656.55 × 101,098.78
4. Step 4: Simplify right side
   185,981.94x = 25,947,664,084.01
5. Step 5: Solve for x
   x = 25,947,664,084.01/185,981.94
6. Step 6: Final answer
   x = 139,517.12