Finding the Fourth Proportional to 66,633.30, 91,945.07 and 42,792.27

Step by Step Solution

1. Step 1: Write the proportion equation
   66,633.30 : 91,945.07 = 42,792.27 : x
2. Step 2: Convert to fraction form
   66,633.30/91,945.07 = 42,792.27/x
3. Step 3: Cross multiply
   66,633.30x = 91,945.07 × 42,792.27
4. Step 4: Simplify right side
   66,633.30x = 3,934,538,046.65
5. Step 5: Solve for x
   x = 3,934,538,046.65/66,633.30
6. Step 6: Final answer
   x = 59,047.62