Finding the Fourth Proportional to 155,182.31, 232,768.86 and 42,869.28

Step by Step Solution

1. Step 1: Write the proportion equation
   155,182.31 : 232,768.86 = 42,869.28 : x
2. Step 2: Convert to fraction form
   155,182.31/232,768.86 = 42,869.28/x
3. Step 3: Cross multiply
   155,182.31x = 232,768.86 × 42,869.28
4. Step 4: Simplify right side
   155,182.31x = 9,978,633,434.62
5. Step 5: Solve for x
   x = 9,978,633,434.62/155,182.31
6. Step 6: Final answer
   x = 64,302.65