Finding the Fourth Proportional to 2,808.62, 3,870.72 and 2,250.93

Step by Step Solution

1. Step 1: Write the proportion equation
   2,808.62 : 3,870.72 = 2,250.93 : x
2. Step 2: Convert to fraction form
   2,808.62/3,870.72 = 2,250.93/x
3. Step 3: Cross multiply
   2,808.62x = 3,870.72 × 2,250.93
4. Step 4: Simplify right side
   2,808.62x = 8,712,719.77
5. Step 5: Solve for x
   x = 8,712,719.77/2,808.62
6. Step 6: Final answer
   x = 3,102.14