Finding the Fourth Proportional to 139,106.52, 191,955.42 and 82,508.04

Step by Step Solution

1. Step 1: Write the proportion equation
   139,106.52 : 191,955.42 = 82,508.04 : x
2. Step 2: Convert to fraction form
   139,106.52/191,955.42 = 82,508.04/x
3. Step 3: Cross multiply
   139,106.52x = 191,955.42 × 82,508.04
4. Step 4: Simplify right side
   139,106.52x = 15,837,865,471.58
5. Step 5: Solve for x
   x = 15,837,865,471.58/139,106.52
6. Step 6: Final answer
   x = 113,854.23