Finding the Fourth Proportional to 59,045.49, 88,222.64 and 56,978.37

Step by Step Solution

1. Step 1: Write the proportion equation
   59,045.49 : 88,222.64 = 56,978.37 : x
2. Step 2: Convert to fraction form
   59,045.49/88,222.64 = 56,978.37/x
3. Step 3: Cross multiply
   59,045.49x = 88,222.64 × 56,978.37
4. Step 4: Simplify right side
   59,045.49x = 5,026,781,939.40
5. Step 5: Solve for x
   x = 5,026,781,939.40/59,045.49
6. Step 6: Final answer
   x = 85,134.05