Finding the Fourth Proportional to 1,501.20, 2,248.16 and 849.96

Step by Step Solution

1. Step 1: Write the proportion equation
   1,501.20 : 2,248.16 = 849.96 : x
2. Step 2: Convert to fraction form
   1,501.20/2,248.16 = 849.96/x
3. Step 3: Cross multiply
   1,501.20x = 2,248.16 × 849.96
4. Step 4: Simplify right side
   1,501.20x = 1,910,841.82
5. Step 5: Solve for x
   x = 1,910,841.82/1,501.20
6. Step 6: Final answer
   x = 1,272.88