Finding the Fourth Proportional to 22,959.56, 31,680.43 and 13,526.84

Step by Step Solution

1. Step 1: Write the proportion equation
   22,959.56 : 31,680.43 = 13,526.84 : x
2. Step 2: Convert to fraction form
   22,959.56/31,680.43 = 13,526.84/x
3. Step 3: Cross multiply
   22,959.56x = 31,680.43 × 13,526.84
4. Step 4: Simplify right side
   22,959.56x = 428,535,915.52
5. Step 5: Solve for x
   x = 428,535,915.52/22,959.56
6. Step 6: Final answer
   x = 18,664.82