Finding the Fourth Proportional to 5,886.90, 8,123.86 and 3,498.04

Step by Step Solution

1. Step 1: Write the proportion equation
   5,886.90 : 8,123.86 = 3,498.04 : x
2. Step 2: Convert to fraction form
   5,886.90/8,123.86 = 3,498.04/x
3. Step 3: Cross multiply
   5,886.90x = 8,123.86 × 3,498.04
4. Step 4: Simplify right side
   5,886.90x = 28,417,587.23
5. Step 5: Solve for x
   x = 28,417,587.23/5,886.90
6. Step 6: Final answer
   x = 4,827.26