Finding the Fourth Proportional to 2,337.64, 3,507.91 and 877.82

Step by Step Solution

1. Step 1: Write the proportion equation
   2,337.64 : 3,507.91 = 877.82 : x
2. Step 2: Convert to fraction form
   2,337.64/3,507.91 = 877.82/x
3. Step 3: Cross multiply
   2,337.64x = 3,507.91 × 877.82
4. Step 4: Simplify right side
   2,337.64x = 3,079,293.82
5. Step 5: Solve for x
   x = 3,079,293.82/2,337.64
6. Step 6: Final answer
   x = 1,317.27