Finding the Fourth Proportional to 137,352.74, 205,986.72 and 48,585.83

Step by Step Solution

1. Step 1: Write the proportion equation
   137,352.74 : 205,986.72 = 48,585.83 : x
2. Step 2: Convert to fraction form
   137,352.74/205,986.72 = 48,585.83/x
3. Step 3: Cross multiply
   137,352.74x = 205,986.72 × 48,585.83
4. Step 4: Simplify right side
   137,352.74x = 10,008,035,760.18
5. Step 5: Solve for x
   x = 10,008,035,760.18/137,352.74
6. Step 6: Final answer
   x = 72,863.75