Finding the Fourth Proportional to 4,980.61, 7,472.04 and 1,693.72

Step by Step Solution

1. Step 1: Write the proportion equation
   4,980.61 : 7,472.04 = 1,693.72 : x
2. Step 2: Convert to fraction form
   4,980.61/7,472.04 = 1,693.72/x
3. Step 3: Cross multiply
   4,980.61x = 7,472.04 × 1,693.72
4. Step 4: Simplify right side
   4,980.61x = 12,655,543.59
5. Step 5: Solve for x
   x = 12,655,543.59/4,980.61
6. Step 6: Final answer
   x = 2,540.96