Finding the Fourth Proportional to 2,749.88, 4,123.64 and 875.34

Step by Step Solution

1. Step 1: Write the proportion equation
   2,749.88 : 4,123.64 = 875.34 : x
2. Step 2: Convert to fraction form
   2,749.88/4,123.64 = 875.34/x
3. Step 3: Cross multiply
   2,749.88x = 4,123.64 × 875.34
4. Step 4: Simplify right side
   2,749.88x = 3,609,587.04
5. Step 5: Solve for x
   x = 3,609,587.04/2,749.88
6. Step 6: Final answer
   x = 1,312.63