Finding the Fourth Proportional to 118,111.85, 162,995.09 and 64,397.76

Step by Step Solution

1. Step 1: Write the proportion equation
   118,111.85 : 162,995.09 = 64,397.76 : x
2. Step 2: Convert to fraction form
   118,111.85/162,995.09 = 64,397.76/x
3. Step 3: Cross multiply
   118,111.85x = 162,995.09 × 64,397.76
4. Step 4: Simplify right side
   118,111.85x = 10,496,518,687.00
5. Step 5: Solve for x
   x = 10,496,518,687.00/118,111.85
6. Step 6: Final answer
   x = 88,869.31