Finding the Fourth Proportional to 23,290.61, 32,141.61 and 12,680.82

Step by Step Solution

1. Step 1: Write the proportion equation
   23,290.61 : 32,141.61 = 12,680.82 : x
2. Step 2: Convert to fraction form
   23,290.61/32,141.61 = 12,680.82/x
3. Step 3: Cross multiply
   23,290.61x = 32,141.61 × 12,680.82
4. Step 4: Simplify right side
   23,290.61x = 407,581,970.92
5. Step 5: Solve for x
   x = 407,581,970.92/23,290.61
6. Step 6: Final answer
   x = 17,499.84