Finding the Fourth Proportional to 118,365, 177,545.88 and 43,455.72

Step by Step Solution

1. Step 1: Write the proportion equation
   118,365 : 177,545.88 = 43,455.72 : x
2. Step 2: Convert to fraction form
   118,365/177,545.88 = 43,455.72/x
3. Step 3: Cross multiply
   118,365x = 177,545.88 × 43,455.72
4. Step 4: Simplify right side
   118,365x = 7,715,384,048.43
5. Step 5: Solve for x
   x = 7,715,384,048.43/118,365
6. Step 6: Final answer
   x = 65,182.99