Finding the Fourth Proportional to 5,861.98, 8,088.15 and 4,287.34

Step by Step Solution

1. Step 1: Write the proportion equation
   5,861.98 : 8,088.15 = 4,287.34 : x
2. Step 2: Convert to fraction form
   5,861.98/8,088.15 = 4,287.34/x
3. Step 3: Cross multiply
   5,861.98x = 8,088.15 × 4,287.34
4. Step 4: Simplify right side
   5,861.98x = 34,676,649.02
5. Step 5: Solve for x
   x = 34,676,649.02/5,861.98
6. Step 6: Final answer
   x = 5,915.52