Finding the Fourth Proportional to 2,337.31, 3,505.28 and 876.13

Step by Step Solution

1. Step 1: Write the proportion equation
   2,337.31 : 3,505.28 = 876.13 : x
2. Step 2: Convert to fraction form
   2,337.31/3,505.28 = 876.13/x
3. Step 3: Cross multiply
   2,337.31x = 3,505.28 × 876.13
4. Step 4: Simplify right side
   2,337.31x = 3,071,067.82
5. Step 5: Solve for x
   x = 3,071,067.82/2,337.31
6. Step 6: Final answer
   x = 1,313.93