Finding the Fourth Proportional to 3,915.82, 5,897.17 and 3,565.90

Step by Step Solution

1. Step 1: Write the proportion equation
   3,915.82 : 5,897.17 = 3,565.90 : x
2. Step 2: Convert to fraction form
   3,915.82/5,897.17 = 3,565.90/x
3. Step 3: Cross multiply
   3,915.82x = 5,897.17 × 3,565.90
4. Step 4: Simplify right side
   3,915.82x = 21,028,718.50
5. Step 5: Solve for x
   x = 21,028,718.50/3,915.82
6. Step 6: Final answer
   x = 5,370.20