Finding the Fourth Proportional to 118,048.92, 162,902.72 and 64,332.80

Step by Step Solution

1. Step 1: Write the proportion equation
   118,048.92 : 162,902.72 = 64,332.80 : x
2. Step 2: Convert to fraction form
   118,048.92/162,902.72 = 64,332.80/x
3. Step 3: Cross multiply
   118,048.92x = 162,902.72 × 64,332.80
4. Step 4: Simplify right side
   118,048.92x = 10,479,988,105.22
5. Step 5: Solve for x
   x = 10,479,988,105.22/118,048.92
6. Step 6: Final answer
   x = 88,776.65