Finding the Fourth Proportional to 6,997.87, 10,490.85 and 3,100.15

Step by Step Solution

1. Step 1: Write the proportion equation
   6,997.87 : 10,490.85 = 3,100.15 : x
2. Step 2: Convert to fraction form
   6,997.87/10,490.85 = 3,100.15/x
3. Step 3: Cross multiply
   6,997.87x = 10,490.85 × 3,100.15
4. Step 4: Simplify right side
   6,997.87x = 32,523,208.63
5. Step 5: Solve for x
   x = 32,523,208.63/6,997.87
6. Step 6: Final answer
   x = 4,647.59