Finding the Fourth Proportional to 139,114.43, 208,680.10 and 39,282.15

Step by Step Solution

1. Step 1: Write the proportion equation
   139,114.43 : 208,680.10 = 39,282.15 : x
2. Step 2: Convert to fraction form
   139,114.43/208,680.10 = 39,282.15/x
3. Step 3: Cross multiply
   139,114.43x = 208,680.10 × 39,282.15
4. Step 4: Simplify right side
   139,114.43x = 8,197,402,272.10
5. Step 5: Solve for x
   x = 8,197,402,272.10/139,114.43
6. Step 6: Final answer
   x = 58,925.61