Finding the Fourth Proportional to 59,892.27, 89,847.90 and 19,912.74

Step by Step Solution

1. Step 1: Write the proportion equation
   59,892.27 : 89,847.90 = 19,912.74 : x
2. Step 2: Convert to fraction form
   59,892.27/89,847.90 = 19,912.74/x
3. Step 3: Cross multiply
   59,892.27x = 89,847.90 × 19,912.74
4. Step 4: Simplify right side
   59,892.27x = 1,789,117,872.25
5. Step 5: Solve for x
   x = 1,789,117,872.25/59,892.27
6. Step 6: Final answer
   x = 29,872.27