Finding the Fourth Proportional to 17,560.32, 26,300.71 and 13,583.62

Step by Step Solution

1. Step 1: Write the proportion equation
   17,560.32 : 26,300.71 = 13,583.62 : x
2. Step 2: Convert to fraction form
   17,560.32/26,300.71 = 13,583.62/x
3. Step 3: Cross multiply
   17,560.32x = 26,300.71 × 13,583.62
4. Step 4: Simplify right side
   17,560.32x = 357,258,850.37
5. Step 5: Solve for x
   x = 357,258,850.37/17,560.32
6. Step 6: Final answer
   x = 20,344.67