Finding the Fourth Proportional to 155,557.50, 233,370.81 and 57,061.50

Step by Step Solution

1. Step 1: Write the proportion equation
   155,557.50 : 233,370.81 = 57,061.50 : x
2. Step 2: Convert to fraction form
   155,557.50/233,370.81 = 57,061.50/x
3. Step 3: Cross multiply
   155,557.50x = 233,370.81 × 57,061.50
4. Step 4: Simplify right side
   155,557.50x = 13,316,488,474.82
5. Step 5: Solve for x
   x = 13,316,488,474.82/155,557.50
6. Step 6: Final answer
   x = 85,604.93