Finding the Fourth Proportional to 2,983.77, 4,475.25 and 875.34

Step by Step Solution

1. Step 1: Write the proportion equation
   2,983.77 : 4,475.25 = 875.34 : x
2. Step 2: Convert to fraction form
   2,983.77/4,475.25 = 875.34/x
3. Step 3: Cross multiply
   2,983.77x = 4,475.25 × 875.34
4. Step 4: Simplify right side
   2,983.77x = 3,917,365.34
5. Step 5: Solve for x
   x = 3,917,365.34/2,983.77
6. Step 6: Final answer
   x = 1,312.89