Finding the Fourth Proportional to 2,630.45, 3,944.86 and 875.08

Step by Step Solution

1. Step 1: Write the proportion equation
   2,630.45 : 3,944.86 = 875.08 : x
2. Step 2: Convert to fraction form
   2,630.45/3,944.86 = 875.08/x
3. Step 3: Cross multiply
   2,630.45x = 3,944.86 × 875.08
4. Step 4: Simplify right side
   2,630.45x = 3,452,068.09
5. Step 5: Solve for x
   x = 3,452,068.09/2,630.45
6. Step 6: Final answer
   x = 1,312.35