Finding the Fourth Proportional to 118,300.30, 177,499.05 and 43,456.30

Step by Step Solution

1. Step 1: Write the proportion equation
   118,300.30 : 177,499.05 = 43,456.30 : x
2. Step 2: Convert to fraction form
   118,300.30/177,499.05 = 43,456.30/x
3. Step 3: Cross multiply
   118,300.30x = 177,499.05 × 43,456.30
4. Step 4: Simplify right side
   118,300.30x = 7,713,451,966.52
5. Step 5: Solve for x
   x = 7,713,451,966.52/118,300.30
6. Step 6: Final answer
   x = 65,202.30