Finding the Fourth Proportional to 66,150.53, 91,287.91 and 35,935.61

Step by Step Solution

1. Step 1: Write the proportion equation
   66,150.53 : 91,287.91 = 35,935.61 : x
2. Step 2: Convert to fraction form
   66,150.53/91,287.91 = 35,935.61/x
3. Step 3: Cross multiply
   66,150.53x = 91,287.91 × 35,935.61
4. Step 4: Simplify right side
   66,150.53x = 3,280,486,117.82
5. Step 5: Solve for x
   x = 3,280,486,117.82/66,150.53
6. Step 6: Final answer
   x = 49,591.23