Finding the Fourth Proportional to 118,003.61, 162,844.08 and 64,288.46

Step by Step Solution

1. Step 1: Write the proportion equation
   118,003.61 : 162,844.08 = 64,288.46 : x
2. Step 2: Convert to fraction form
   118,003.61/162,844.08 = 64,288.46/x
3. Step 3: Cross multiply
   118,003.61x = 162,844.08 × 64,288.46
4. Step 4: Simplify right side
   118,003.61x = 10,468,995,123.32
5. Step 5: Solve for x
   x = 10,468,995,123.32/118,003.61
6. Step 6: Final answer
   x = 88,717.58