Finding the Fourth Proportional to 5,488.67, 7,574.30 and 2,970.72

Step by Step Solution

1. Step 1: Write the proportion equation
   5,488.67 : 7,574.30 = 2,970.72 : x
2. Step 2: Convert to fraction form
   5,488.67/7,574.30 = 2,970.72/x
3. Step 3: Cross multiply
   5,488.67x = 7,574.30 × 2,970.72
4. Step 4: Simplify right side
   5,488.67x = 22,501,124.50
5. Step 5: Solve for x
   x = 22,501,124.50/5,488.67
6. Step 6: Final answer
   x = 4,099.56