Finding the Fourth Proportional to 118,105.01, 177,105.56 and 43,205.72

Step by Step Solution

1. Step 1: Write the proportion equation
   118,105.01 : 177,105.56 = 43,205.72 : x
2. Step 2: Convert to fraction form
   118,105.01/177,105.56 = 43,205.72/x
3. Step 3: Cross multiply
   118,105.01x = 177,105.56 × 43,205.72
4. Step 4: Simplify right side
   118,105.01x = 7,651,973,235.80
5. Step 5: Solve for x
   x = 7,651,973,235.80/118,105.01
6. Step 6: Final answer
   x = 64,789.57