Finding the Fourth Proportional to 118,042.88, 162,899.19 and 64,327.91

Step by Step Solution

1. Step 1: Write the proportion equation
   118,042.88 : 162,899.19 = 64,327.91 : x
2. Step 2: Convert to fraction form
   118,042.88/162,899.19 = 64,327.91/x
3. Step 3: Cross multiply
   118,042.88x = 162,899.19 × 64,327.91
4. Step 4: Simplify right side
   118,042.88x = 10,478,963,618.90
5. Step 5: Solve for x
   x = 10,478,963,618.90/118,042.88
6. Step 6: Final answer
   x = 88,772.52