Finding the Fourth Proportional to 43,655.72, 65,116.34 and 42,343.88

Step by Step Solution

1. Step 1: Write the proportion equation
   43,655.72 : 65,116.34 = 42,343.88 : x
2. Step 2: Convert to fraction form
   43,655.72/65,116.34 = 42,343.88/x
3. Step 3: Cross multiply
   43,655.72x = 65,116.34 × 42,343.88
4. Step 4: Simplify right side
   43,655.72x = 2,757,278,487.00
5. Step 5: Solve for x
   x = 2,757,278,487.00/43,655.72
6. Step 6: Final answer
   x = 63,159.62