Finding the Fourth Proportional to 1,500.72, 2,252.22 and 980.58

Step by Step Solution

1. Step 1: Write the proportion equation
   1,500.72 : 2,252.22 = 980.58 : x
2. Step 2: Convert to fraction form
   1,500.72/2,252.22 = 980.58/x
3. Step 3: Cross multiply
   1,500.72x = 2,252.22 × 980.58
4. Step 4: Simplify right side
   1,500.72x = 2,208,481.89
5. Step 5: Solve for x
   x = 2,208,481.89/1,500.72
6. Step 6: Final answer
   x = 1,471.61