Finding the Fourth Proportional to 108,147.93, 162,221.85 and 78,752.82

Step by Step Solution

1. Step 1: Write the proportion equation
   108,147.93 : 162,221.85 = 78,752.82 : x
2. Step 2: Convert to fraction form
   108,147.93/162,221.85 = 78,752.82/x
3. Step 3: Cross multiply
   108,147.93x = 162,221.85 × 78,752.82
4. Step 4: Simplify right side
   108,147.93x = 12,775,428,153.12
5. Step 5: Solve for x
   x = 12,775,428,153.12/108,147.93
6. Step 6: Final answer
   x = 118,129.20