Finding the Fourth Proportional to 2,620.62, 3,616.72 and 1,501.92

Step by Step Solution

1. Step 1: Write the proportion equation
   2,620.62 : 3,616.72 = 1,501.92 : x
2. Step 2: Convert to fraction form
   2,620.62/3,616.72 = 1,501.92/x
3. Step 3: Cross multiply
   2,620.62x = 3,616.72 × 1,501.92
4. Step 4: Simplify right side
   2,620.62x = 5,432,024.10
5. Step 5: Solve for x
   x = 5,432,024.10/2,620.62
6. Step 6: Final answer
   x = 2,072.80