Finding the Fourth Proportional to 155,567.55, 233,399.76 and 55,728.61

Step by Step Solution

1. Step 1: Write the proportion equation
   155,567.55 : 233,399.76 = 55,728.61 : x
2. Step 2: Convert to fraction form
   155,567.55/233,399.76 = 55,728.61/x
3. Step 3: Cross multiply
   155,567.55x = 233,399.76 × 55,728.61
4. Step 4: Simplify right side
   155,567.55x = 13,007,043,463.21
5. Step 5: Solve for x
   x = 13,007,043,463.21/155,567.55
6. Step 6: Final answer
   x = 83,610.26