Finding the Fourth Proportional to 6,137.88, 8,470.05 and 3,620.10

Step by Step Solution

1. Step 1: Write the proportion equation
   6,137.88 : 8,470.05 = 3,620.10 : x
2. Step 2: Convert to fraction form
   6,137.88/8,470.05 = 3,620.10/x
3. Step 3: Cross multiply
   6,137.88x = 8,470.05 × 3,620.10
4. Step 4: Simplify right side
   6,137.88x = 30,662,428.01
5. Step 5: Solve for x
   x = 30,662,428.01/6,137.88
6. Step 6: Final answer
   x = 4,995.61