Finding the Fourth Proportional to 155,150.29, 232,720.78 and 42,837.37

Step by Step Solution

1. Step 1: Write the proportion equation
   155,150.29 : 232,720.78 = 42,837.37 : x
2. Step 2: Convert to fraction form
   155,150.29/232,720.78 = 42,837.37/x
3. Step 3: Cross multiply
   155,150.29x = 232,720.78 × 42,837.37
4. Step 4: Simplify right side
   155,150.29x = 9,969,146,159.55
5. Step 5: Solve for x
   x = 9,969,146,159.55/155,150.29
6. Step 6: Final answer
   x = 64,254.77