Finding the Fourth Proportional to 6,223.34, 8,588.31 and 3,428.84

Step by Step Solution

1. Step 1: Write the proportion equation
   6,223.34 : 8,588.31 = 3,428.84 : x
2. Step 2: Convert to fraction form
   6,223.34/8,588.31 = 3,428.84/x
3. Step 3: Cross multiply
   6,223.34x = 8,588.31 × 3,428.84
4. Step 4: Simplify right side
   6,223.34x = 29,447,940.86
5. Step 5: Solve for x
   x = 29,447,940.86/6,223.34
6. Step 6: Final answer
   x = 4,731.85