Finding the Fourth Proportional to 2,502.51, 3,753.50 and 858.83

Step by Step Solution

1. Step 1: Write the proportion equation
   2,502.51 : 3,753.50 = 858.83 : x
2. Step 2: Convert to fraction form
   2,502.51/3,753.50 = 858.83/x
3. Step 3: Cross multiply
   2,502.51x = 3,753.50 × 858.83
4. Step 4: Simplify right side
   2,502.51x = 3,223,595.34
5. Step 5: Solve for x
   x = 3,223,595.34/2,502.51
6. Step 6: Final answer
   x = 1,288.14