Finding the Fourth Proportional to 6,152.71, 8,490.72 and 3,358.21

Step by Step Solution

1. Step 1: Write the proportion equation
   6,152.71 : 8,490.72 = 3,358.21 : x
2. Step 2: Convert to fraction form
   6,152.71/8,490.72 = 3,358.21/x
3. Step 3: Cross multiply
   6,152.71x = 8,490.72 × 3,358.21
4. Step 4: Simplify right side
   6,152.71x = 28,513,620.81
5. Step 5: Solve for x
   x = 28,513,620.81/6,152.71
6. Step 6: Final answer
   x = 4,634.32