Finding the Fourth Proportional to 118,080.31, 162,947.58 and 64,366.38

Step by Step Solution

1. Step 1: Write the proportion equation
   118,080.31 : 162,947.58 = 64,366.38 : x
2. Step 2: Convert to fraction form
   118,080.31/162,947.58 = 64,366.38/x
3. Step 3: Cross multiply
   118,080.31x = 162,947.58 × 64,366.38
4. Step 4: Simplify right side
   118,080.31x = 10,488,345,854.36
5. Step 5: Solve for x
   x = 10,488,345,854.36/118,080.31
6. Step 6: Final answer
   x = 88,823.83