Finding the Fourth Proportional to 59,697.55, 89,549.07 and 56,824.84

Step by Step Solution

1. Step 1: Write the proportion equation
   59,697.55 : 89,549.07 = 56,824.84 : x
2. Step 2: Convert to fraction form
   59,697.55/89,549.07 = 56,824.84/x
3. Step 3: Cross multiply
   59,697.55x = 89,549.07 × 56,824.84
4. Step 4: Simplify right side
   59,697.55x = 5,088,611,574.90
5. Step 5: Solve for x
   x = 5,088,611,574.90/59,697.55
6. Step 6: Final answer
   x = 85,239.87