Finding the Fourth Proportional to 9,827.90, 13,562.18 and 5,351.61

Step by Step Solution

1. Step 1: Write the proportion equation
   9,827.90 : 13,562.18 = 5,351.61 : x
2. Step 2: Convert to fraction form
   9,827.90/13,562.18 = 5,351.61/x
3. Step 3: Cross multiply
   9,827.90x = 13,562.18 × 5,351.61
4. Step 4: Simplify right side
   9,827.90x = 72,579,498.11
5. Step 5: Solve for x
   x = 72,579,498.11/9,827.90
6. Step 6: Final answer
   x = 7,385.05