Finding the Fourth Proportional to 64,577.92, 89,094.72 and 42,234.88

Step by Step Solution

1. Step 1: Write the proportion equation
   64,577.92 : 89,094.72 = 42,234.88 : x
2. Step 2: Convert to fraction form
   64,577.92/89,094.72 = 42,234.88/x
3. Step 3: Cross multiply
   64,577.92x = 89,094.72 × 42,234.88
4. Step 4: Simplify right side
   64,577.92x = 3,762,904,807.83
5. Step 5: Solve for x
   x = 3,762,904,807.83/64,577.92
6. Step 6: Final answer
   x = 58,269.22