Finding the Fourth Proportional to 2,870.13, 4,301.14 and 1,226.10

Step by Step Solution

1. Step 1: Write the proportion equation
   2,870.13 : 4,301.14 = 1,226.10 : x
2. Step 2: Convert to fraction form
   2,870.13/4,301.14 = 1,226.10/x
3. Step 3: Cross multiply
   2,870.13x = 4,301.14 × 1,226.10
4. Step 4: Simplify right side
   2,870.13x = 5,273,627.75
5. Step 5: Solve for x
   x = 5,273,627.75/2,870.13
6. Step 6: Final answer
   x = 1,837.42