Finding the Fourth Proportional to 6,506.30, 8,978.64 and 3,522.10

Step by Step Solution

1. Step 1: Write the proportion equation
   6,506.30 : 8,978.64 = 3,522.10 : x
2. Step 2: Convert to fraction form
   6,506.30/8,978.64 = 3,522.10/x
3. Step 3: Cross multiply
   6,506.30x = 8,978.64 × 3,522.10
4. Step 4: Simplify right side
   6,506.30x = 31,623,667.94
5. Step 5: Solve for x
   x = 31,623,667.94/6,506.30
6. Step 6: Final answer
   x = 4,860.47