Finding the Fourth Proportional to 91,565.57, 137,369.63 and 28,382.33

Step by Step Solution

1. Step 1: Write the proportion equation
   91,565.57 : 137,369.63 = 28,382.33 : x
2. Step 2: Convert to fraction form
   91,565.57/137,369.63 = 28,382.33/x
3. Step 3: Cross multiply
   91,565.57x = 137,369.63 × 28,382.33
4. Step 4: Simplify right side
   91,565.57x = 3,898,870,585.02
5. Step 5: Solve for x
   x = 3,898,870,585.02/91,565.57
6. Step 6: Final answer
   x = 42,580.09