Finding the Fourth Proportional to 6,223.60, 8,588.28 and 3,802.15

Step by Step Solution

1. Step 1: Write the proportion equation
   6,223.60 : 8,588.28 = 3,802.15 : x
2. Step 2: Convert to fraction form
   6,223.60/8,588.28 = 3,802.15/x
3. Step 3: Cross multiply
   6,223.60x = 8,588.28 × 3,802.15
4. Step 4: Simplify right side
   6,223.60x = 32,653,928.80
5. Step 5: Solve for x
   x = 32,653,928.80/6,223.60
6. Step 6: Final answer
   x = 5,246.79