Finding the Fourth Proportional to 12,483.86, 17,240.04 and 9,826.65

Step by Step Solution

1. Step 1: Write the proportion equation
   12,483.86 : 17,240.04 = 9,826.65 : x
2. Step 2: Convert to fraction form
   12,483.86/17,240.04 = 9,826.65/x
3. Step 3: Cross multiply
   12,483.86x = 17,240.04 × 9,826.65
4. Step 4: Simplify right side
   12,483.86x = 169,411,839.07
5. Step 5: Solve for x
   x = 169,411,839.07/12,483.86
6. Step 6: Final answer
   x = 13,570.47