Finding the Fourth Proportional to 65,951.40, 98,940.94 and 21,574.72

Step by Step Solution

1. Step 1: Write the proportion equation
   65,951.40 : 98,940.94 = 21,574.72 : x
2. Step 2: Convert to fraction form
   65,951.40/98,940.94 = 21,574.72/x
3. Step 3: Cross multiply
   65,951.40x = 98,940.94 × 21,574.72
4. Step 4: Simplify right side
   65,951.40x = 2,134,623,077.04
5. Step 5: Solve for x
   x = 2,134,623,077.04/65,951.40
6. Step 6: Final answer
   x = 32,366.61