Finding the Fourth Proportional to 12,543.86, 17,322.25 and 8,075.47

Step by Step Solution

1. Step 1: Write the proportion equation
   12,543.86 : 17,322.25 = 8,075.47 : x
2. Step 2: Convert to fraction form
   12,543.86/17,322.25 = 8,075.47/x
3. Step 3: Cross multiply
   12,543.86x = 17,322.25 × 8,075.47
4. Step 4: Simplify right side
   12,543.86x = 139,885,246.71
5. Step 5: Solve for x
   x = 139,885,246.71/12,543.86
6. Step 6: Final answer
   x = 11,151.69