Finding the Fourth Proportional to 3,900.59, 5,848.34 and 1,559.15

Step by Step Solution

1. Step 1: Write the proportion equation
   3,900.59 : 5,848.34 = 1,559.15 : x
2. Step 2: Convert to fraction form
   3,900.59/5,848.34 = 1,559.15/x
3. Step 3: Cross multiply
   3,900.59x = 5,848.34 × 1,559.15
4. Step 4: Simplify right side
   3,900.59x = 9,118,402.27
5. Step 5: Solve for x
   x = 9,118,402.27/3,900.59
6. Step 6: Final answer
   x = 2,337.70