Finding the Fourth Proportional to 65,848.31, 98,775.23 and 20,868.69

Step by Step Solution

1. Step 1: Write the proportion equation
   65,848.31 : 98,775.23 = 20,868.69 : x
2. Step 2: Convert to fraction form
   65,848.31/98,775.23 = 20,868.69/x
3. Step 3: Cross multiply
   65,848.31x = 98,775.23 × 20,868.69
4. Step 4: Simplify right side
   65,848.31x = 2,061,309,706.72
5. Step 5: Solve for x
   x = 2,061,309,706.72/65,848.31
6. Step 6: Final answer
   x = 31,303.91