Finding the Fourth Proportional to 5,830.30, 8,045.90 and 3,590.91

Step by Step Solution

1. Step 1: Write the proportion equation
   5,830.30 : 8,045.90 = 3,590.91 : x
2. Step 2: Convert to fraction form
   5,830.30/8,045.90 = 3,590.91/x
3. Step 3: Cross multiply
   5,830.30x = 8,045.90 × 3,590.91
4. Step 4: Simplify right side
   5,830.30x = 28,892,081.57
5. Step 5: Solve for x
   x = 28,892,081.57/5,830.30
6. Step 6: Final answer
   x = 4,955.50