Finding the Fourth Proportional to 65,970.24, 98,851.56 and 51,013.92

Step by Step Solution

1. Step 1: Write the proportion equation
   65,970.24 : 98,851.56 = 51,013.92 : x
2. Step 2: Convert to fraction form
   65,970.24/98,851.56 = 51,013.92/x
3. Step 3: Cross multiply
   65,970.24x = 98,851.56 × 51,013.92
4. Step 4: Simplify right side
   65,970.24x = 5,042,805,573.72
5. Step 5: Solve for x
   x = 5,042,805,573.72/65,970.24
6. Step 6: Final answer
   x = 76,440.61