Finding the Fourth Proportional to 155,782.10, 233,673.17 and 89,175.31

Step by Step Solution

1. Step 1: Write the proportion equation
   155,782.10 : 233,673.17 = 89,175.31 : x
2. Step 2: Convert to fraction form
   155,782.10/233,673.17 = 89,175.31/x
3. Step 3: Cross multiply
   155,782.10x = 233,673.17 × 89,175.31
4. Step 4: Simplify right side
   155,782.10x = 20,837,877,657.78
5. Step 5: Solve for x
   x = 20,837,877,657.78/155,782.10
6. Step 6: Final answer
   x = 133,762.98