Finding the Fourth Proportional to 1,337.51, 2,016.29 and 1,248.31

Step by Step Solution

1. Step 1: Write the proportion equation
   1,337.51 : 2,016.29 = 1,248.31 : x
2. Step 2: Convert to fraction form
   1,337.51/2,016.29 = 1,248.31/x
3. Step 3: Cross multiply
   1,337.51x = 2,016.29 × 1,248.31
4. Step 4: Simplify right side
   1,337.51x = 2,516,960.61
5. Step 5: Solve for x
   x = 2,516,960.61/1,337.51
6. Step 6: Final answer
   x = 1,881.82