Finding the Fourth Proportional to 2,710.22, 4,063.89 and 1,248.13

Step by Step Solution

1. Step 1: Write the proportion equation
   2,710.22 : 4,063.89 = 1,248.13 : x
2. Step 2: Convert to fraction form
   2,710.22/4,063.89 = 1,248.13/x
3. Step 3: Cross multiply
   2,710.22x = 4,063.89 × 1,248.13
4. Step 4: Simplify right side
   2,710.22x = 5,072,242.71
5. Step 5: Solve for x
   x = 5,072,242.71/2,710.22
6. Step 6: Final answer
   x = 1,871.52