Finding the Fourth Proportional to 139,526.10, 192,540.71 and 75,863.95

Step by Step Solution

1. Step 1: Write the proportion equation
   139,526.10 : 192,540.71 = 75,863.95 : x
2. Step 2: Convert to fraction form
   139,526.10/192,540.71 = 75,863.95/x
3. Step 3: Cross multiply
   139,526.10x = 192,540.71 × 75,863.95
4. Step 4: Simplify right side
   139,526.10x = 14,606,898,504.71
5. Step 5: Solve for x
   x = 14,606,898,504.71/139,526.10
6. Step 6: Final answer
   x = 104,689.36