Finding the Fourth Proportional to 118,092.15, 162,963.38 and 64,376.31

Step by Step Solution

1. Step 1: Write the proportion equation
   118,092.15 : 162,963.38 = 64,376.31 : x
2. Step 2: Convert to fraction form
   118,092.15/162,963.38 = 64,376.31/x
3. Step 3: Cross multiply
   118,092.15x = 162,963.38 × 64,376.31
4. Step 4: Simplify right side
   118,092.15x = 10,490,980,747.65
5. Step 5: Solve for x
   x = 10,490,980,747.65/118,092.15
6. Step 6: Final answer
   x = 88,837.24