Finding the Fourth Proportional to 59,027.49, 81,875.10 and 56,899.62

Step by Step Solution

1. Step 1: Write the proportion equation
   59,027.49 : 81,875.10 = 56,899.62 : x
2. Step 2: Convert to fraction form
   59,027.49/81,875.10 = 56,899.62/x
3. Step 3: Cross multiply
   59,027.49x = 81,875.10 × 56,899.62
4. Step 4: Simplify right side
   59,027.49x = 4,658,662,077.46
5. Step 5: Solve for x
   x = 4,658,662,077.46/59,027.49
6. Step 6: Final answer
   x = 78,923.60