Finding the Fourth Proportional to 155,434.38, 233,128.37 and 43,102.86

Step by Step Solution

1. Step 1: Write the proportion equation
   155,434.38 : 233,128.37 = 43,102.86 : x
2. Step 2: Convert to fraction form
   155,434.38/233,128.37 = 43,102.86/x
3. Step 3: Cross multiply
   155,434.38x = 233,128.37 × 43,102.86
4. Step 4: Simplify right side
   155,434.38x = 10,048,499,278.62
5. Step 5: Solve for x
   x = 10,048,499,278.62/155,434.38
6. Step 6: Final answer
   x = 64,647.86