Finding the Fourth Proportional to 68,549.16, 102,801.72 and 21,791.10

Step by Step Solution

1. Step 1: Write the proportion equation
   68,549.16 : 102,801.72 = 21,791.10 : x
2. Step 2: Convert to fraction form
   68,549.16/102,801.72 = 21,791.10/x
3. Step 3: Cross multiply
   68,549.16x = 102,801.72 × 21,791.10
4. Step 4: Simplify right side
   68,549.16x = 2,240,162,560.69
5. Step 5: Solve for x
   x = 2,240,162,560.69/68,549.16
6. Step 6: Final answer
   x = 32,679.65