Finding the Fourth Proportional to 2,521.34, 3,778.92 and 875.98

Step by Step Solution

1. Step 1: Write the proportion equation
   2,521.34 : 3,778.92 = 875.98 : x
2. Step 2: Convert to fraction form
   2,521.34/3,778.92 = 875.98/x
3. Step 3: Cross multiply
   2,521.34x = 3,778.92 × 875.98
4. Step 4: Simplify right side
   2,521.34x = 3,310,263.07
5. Step 5: Solve for x
   x = 3,310,263.07/2,521.34
6. Step 6: Final answer
   x = 1,312.90