Finding the Fourth Proportional to 66,258.83, 91,439.61 and 37,969.98

Step by Step Solution

1. Step 1: Write the proportion equation
   66,258.83 : 91,439.61 = 37,969.98 : x
2. Step 2: Convert to fraction form
   66,258.83/91,439.61 = 37,969.98/x
3. Step 3: Cross multiply
   66,258.83x = 91,439.61 × 37,969.98
4. Step 4: Simplify right side
   66,258.83x = 3,471,960,162.91
5. Step 5: Solve for x
   x = 3,471,960,162.91/66,258.83
6. Step 6: Final answer
   x = 52,399.97