Finding the Fourth Proportional to 155,150.74, 232,721.46 and 42,837.82

Step by Step Solution

1. Step 1: Write the proportion equation
   155,150.74 : 232,721.46 = 42,837.82 : x
2. Step 2: Convert to fraction form
   155,150.74/232,721.46 = 42,837.82/x
3. Step 3: Cross multiply
   155,150.74x = 232,721.46 × 42,837.82
4. Step 4: Simplify right side
   155,150.74x = 9,969,280,013.62
5. Step 5: Solve for x
   x = 9,969,280,013.62/155,150.74
6. Step 6: Final answer
   x = 64,255.45