Finding the Fourth Proportional to 118,090.43, 162,960.13 and 64,374.29

Step by Step Solution

1. Step 1: Write the proportion equation
   118,090.43 : 162,960.13 = 64,374.29 : x
2. Step 2: Convert to fraction form
   118,090.43/162,960.13 = 64,374.29/x
3. Step 3: Cross multiply
   118,090.43x = 162,960.13 × 64,374.29
4. Step 4: Simplify right side
   118,090.43x = 10,490,442,667.06
5. Step 5: Solve for x
   x = 10,490,442,667.06/118,090.43
6. Step 6: Final answer
   x = 88,833.98