Finding the Fourth Proportional to 139,867.52, 193,042.14 and 82,503.32

Step by Step Solution

1. Step 1: Write the proportion equation
   139,867.52 : 193,042.14 = 82,503.32 : x
2. Step 2: Convert to fraction form
   139,867.52/193,042.14 = 82,503.32/x
3. Step 3: Cross multiply
   139,867.52x = 193,042.14 × 82,503.32
4. Step 4: Simplify right side
   139,867.52x = 15,926,617,449.90
5. Step 5: Solve for x
   x = 15,926,617,449.90/139,867.52
6. Step 6: Final answer
   x = 113,869.31