Finding the Fourth Proportional to 83,412.42, 125,243.46 and 72,202.52

Step by Step Solution

1. Step 1: Write the proportion equation
   83,412.42 : 125,243.46 = 72,202.52 : x
2. Step 2: Convert to fraction form
   83,412.42/125,243.46 = 72,202.52/x
3. Step 3: Cross multiply
   83,412.42x = 125,243.46 × 72,202.52
4. Step 4: Simplify right side
   83,412.42x = 9,042,892,799.30
5. Step 5: Solve for x
   x = 9,042,892,799.30/83,412.42
6. Step 6: Final answer
   x = 108,411.83