Finding the Fourth Proportional to 66,510.94, 91,781.48 and 37,826.72

Step by Step Solution

1. Step 1: Write the proportion equation
   66,510.94 : 91,781.48 = 37,826.72 : x
2. Step 2: Convert to fraction form
   66,510.94/91,781.48 = 37,826.72/x
3. Step 3: Cross multiply
   66,510.94x = 91,781.48 × 37,826.72
4. Step 4: Simplify right side
   66,510.94x = 3,471,792,345.15
5. Step 5: Solve for x
   x = 3,471,792,345.15/66,510.94
6. Step 6: Final answer
   x = 52,198.82