Finding the Fourth Proportional to 118,016.75, 162,864.99 and 64,301.76

Step by Step Solution

1. Step 1: Write the proportion equation
   118,016.75 : 162,864.99 = 64,301.76 : x
2. Step 2: Convert to fraction form
   118,016.75/162,864.99 = 64,301.76/x
3. Step 3: Cross multiply
   118,016.75x = 162,864.99 × 64,301.76
4. Step 4: Simplify right side
   118,016.75x = 10,472,505,499.38
5. Step 5: Solve for x
   x = 10,472,505,499.38/118,016.75
6. Step 6: Final answer
   x = 88,737.45