Finding the Fourth Proportional to 13,012.56, 19,522.17 and 3,652.61

Step by Step Solution

1. Step 1: Write the proportion equation
   13,012.56 : 19,522.17 = 3,652.61 : x
2. Step 2: Convert to fraction form
   13,012.56/19,522.17 = 3,652.61/x
3. Step 3: Cross multiply
   13,012.56x = 19,522.17 × 3,652.61
4. Step 4: Simplify right side
   13,012.56x = 71,306,775.75
5. Step 5: Solve for x
   x = 71,306,775.75/13,012.56
6. Step 6: Final answer
   x = 5,479.84