Finding the Fourth Proportional to 155,150.24, 232,720.71 and 42,837.31

Step by Step Solution

1. Step 1: Write the proportion equation
   155,150.24 : 232,720.71 = 42,837.31 : x
2. Step 2: Convert to fraction form
   155,150.24/232,720.71 = 42,837.31/x
3. Step 3: Cross multiply
   155,150.24x = 232,720.71 × 42,837.31
4. Step 4: Simplify right side
   155,150.24x = 9,969,129,197.69
5. Step 5: Solve for x
   x = 9,969,129,197.69/155,150.24
6. Step 6: Final answer
   x = 64,254.68