Finding the Fourth Proportional to 2,870.06, 3,956.19 and 1,874.84

Step by Step Solution

1. Step 1: Write the proportion equation
   2,870.06 : 3,956.19 = 1,874.84 : x
2. Step 2: Convert to fraction form
   2,870.06/3,956.19 = 1,874.84/x
3. Step 3: Cross multiply
   2,870.06x = 3,956.19 × 1,874.84
4. Step 4: Simplify right side
   2,870.06x = 7,417,223.26
5. Step 5: Solve for x
   x = 7,417,223.26/2,870.06
6. Step 6: Final answer
   x = 2,584.34