Finding the Fourth Proportional to 2,970.56, 4,088.79 and 2,596.61

Step by Step Solution

1. Step 1: Write the proportion equation
   2,970.56 : 4,088.79 = 2,596.61 : x
2. Step 2: Convert to fraction form
   2,970.56/4,088.79 = 2,596.61/x
3. Step 3: Cross multiply
   2,970.56x = 4,088.79 × 2,596.61
4. Step 4: Simplify right side
   2,970.56x = 10,616,972.56
5. Step 5: Solve for x
   x = 10,616,972.56/2,970.56
6. Step 6: Final answer
   x = 3,574.07