Finding the Fourth Proportional to 118,111.92, 162,991.44 and 64,397.04

Step by Step Solution

1. Step 1: Write the proportion equation
   118,111.92 : 162,991.44 = 64,397.04 : x
2. Step 2: Convert to fraction form
   118,111.92/162,991.44 = 64,397.04/x
3. Step 3: Cross multiply
   118,111.92x = 162,991.44 × 64,397.04
4. Step 4: Simplify right side
   118,111.92x = 10,496,166,281.34
5. Step 5: Solve for x
   x = 10,496,166,281.34/118,111.92
6. Step 6: Final answer
   x = 88,866.27