Finding the Fourth Proportional to 66,382.52, 91,599.81 and 37,691.72

Step by Step Solution

1. Step 1: Write the proportion equation
   66,382.52 : 91,599.81 = 37,691.72 : x
2. Step 2: Convert to fraction form
   66,382.52/91,599.81 = 37,691.72/x
3. Step 3: Cross multiply
   66,382.52x = 91,599.81 × 37,691.72
4. Step 4: Simplify right side
   66,382.52x = 3,452,554,390.57
5. Step 5: Solve for x
   x = 3,452,554,390.57/66,382.52
6. Step 6: Final answer
   x = 52,009.99