Finding the Fourth Proportional to 60,585.78, 90,737.60 and 58,483.83

Step by Step Solution

1. Step 1: Write the proportion equation
   60,585.78 : 90,737.60 = 58,483.83 : x
2. Step 2: Convert to fraction form
   60,585.78/90,737.60 = 58,483.83/x
3. Step 3: Cross multiply
   60,585.78x = 90,737.60 × 58,483.83
4. Step 4: Simplify right side
   60,585.78x = 5,306,682,080.59
5. Step 5: Solve for x
   x = 5,306,682,080.59/60,585.78
6. Step 6: Final answer
   x = 87,589.56