Finding the Fourth Proportional to 2,902.16, 3,996.24 and 2,624.30

Step by Step Solution

1. Step 1: Write the proportion equation
   2,902.16 : 3,996.24 = 2,624.30 : x
2. Step 2: Convert to fraction form
   2,902.16/3,996.24 = 2,624.30/x
3. Step 3: Cross multiply
   2,902.16x = 3,996.24 × 2,624.30
4. Step 4: Simplify right side
   2,902.16x = 10,487,332.63
5. Step 5: Solve for x
   x = 10,487,332.63/2,902.16
6. Step 6: Final answer
   x = 3,613.63