Finding the Fourth Proportional to 155,291.62, 232,942.60 and 42,962.43

Step by Step Solution

1. Step 1: Write the proportion equation
   155,291.62 : 232,942.60 = 42,962.43 : x
2. Step 2: Convert to fraction form
   155,291.62/232,942.60 = 42,962.43/x
3. Step 3: Cross multiply
   155,291.62x = 232,942.60 × 42,962.43
4. Step 4: Simplify right side
   155,291.62x = 10,007,779,198.93
5. Step 5: Solve for x
   x = 10,007,779,198.93/155,291.62
6. Step 6: Final answer
   x = 64,445.07