Finding the Fourth Proportional to 59,948.72, 89,769.77 and 58,174.98

Step by Step Solution

1. Step 1: Write the proportion equation
   59,948.72 : 89,769.77 = 58,174.98 : x
2. Step 2: Convert to fraction form
   59,948.72/89,769.77 = 58,174.98/x
3. Step 3: Cross multiply
   59,948.72x = 89,769.77 × 58,174.98
4. Step 4: Simplify right side
   59,948.72x = 5,222,354,283.48
5. Step 5: Solve for x
   x = 5,222,354,283.48/59,948.72
6. Step 6: Final answer
   x = 87,113.70