Finding the Fourth Proportional to 118,655.41, 177,978.50 and 43,743.15

Step by Step Solution

1. Step 1: Write the proportion equation
   118,655.41 : 177,978.50 = 43,743.15 : x
2. Step 2: Convert to fraction form
   118,655.41/177,978.50 = 43,743.15/x
3. Step 3: Cross multiply
   118,655.41x = 177,978.50 × 43,743.15
4. Step 4: Simplify right side
   118,655.41x = 7,785,339,113.67
5. Step 5: Solve for x
   x = 7,785,339,113.67/118,655.41
6. Step 6: Final answer
   x = 65,613.01