Finding the Fourth Proportional to 243,569.58, 365,260.86 and 83,615.69

Step by Step Solution

1. Step 1: Write the proportion equation
   243,569.58 : 365,260.86 = 83,615.69 : x
2. Step 2: Convert to fraction form
   243,569.58/365,260.86 = 83,615.69/x
3. Step 3: Cross multiply
   243,569.58x = 365,260.86 × 83,615.69
4. Step 4: Simplify right side
   243,569.58x = 30,541,537,012.59
5. Step 5: Solve for x
   x = 30,541,537,012.59/243,569.58
6. Step 6: Final answer
   x = 125,391.43