Finding the Fourth Proportional to 65,023.31, 89,732.27 and 35,215.31

Step by Step Solution

1. Step 1: Write the proportion equation
   65,023.31 : 89,732.27 = 35,215.31 : x
2. Step 2: Convert to fraction form
   65,023.31/89,732.27 = 35,215.31/x
3. Step 3: Cross multiply
   65,023.31x = 89,732.27 × 35,215.31
4. Step 4: Simplify right side
   65,023.31x = 3,159,950,017.42
5. Step 5: Solve for x
   x = 3,159,950,017.42/65,023.31
6. Step 6: Final answer
   x = 48,597.19