Finding the Fourth Proportional to 1,500.71, 2,252.22 and 980.57

Step by Step Solution

1. Step 1: Write the proportion equation
   1,500.71 : 2,252.22 = 980.57 : x
2. Step 2: Convert to fraction form
   1,500.71/2,252.22 = 980.57/x
3. Step 3: Cross multiply
   1,500.71x = 2,252.22 × 980.57
4. Step 4: Simplify right side
   1,500.71x = 2,208,459.37
5. Step 5: Solve for x
   x = 2,208,459.37/1,500.71
6. Step 6: Final answer
   x = 1,471.61