Finding the Fourth Proportional to 118,015.92, 162,863.82 and 64,300.91

Step by Step Solution

1. Step 1: Write the proportion equation
   118,015.92 : 162,863.82 = 64,300.91 : x
2. Step 2: Convert to fraction form
   118,015.92/162,863.82 = 64,300.91/x
3. Step 3: Cross multiply
   118,015.92x = 162,863.82 × 64,300.91
4. Step 4: Simplify right side
   118,015.92x = 10,472,291,017.76
5. Step 5: Solve for x
   x = 10,472,291,017.76/118,015.92
6. Step 6: Final answer
   x = 88,736.26