Finding the Fourth Proportional to 10,490.50, 15,738.18 and 3,565

Step by Step Solution

1. Step 1: Write the proportion equation
   10,490.50 : 15,738.18 = 3,565 : x
2. Step 2: Convert to fraction form
   10,490.50/15,738.18 = 3,565/x
3. Step 3: Cross multiply
   10,490.50x = 15,738.18 × 3,565
4. Step 4: Simplify right side
   10,490.50x = 56,106,611.70
5. Step 5: Solve for x
   x = 56,106,611.70/10,490.50
6. Step 6: Final answer
   x = 5,348.33