Finding the Fourth Proportional to 1,870.68, 2,582.22 and 1,520.76

Step by Step Solution

1. Step 1: Write the proportion equation
   1,870.68 : 2,582.22 = 1,520.76 : x
2. Step 2: Convert to fraction form
   1,870.68/2,582.22 = 1,520.76/x
3. Step 3: Cross multiply
   1,870.68x = 2,582.22 × 1,520.76
4. Step 4: Simplify right side
   1,870.68x = 3,926,936.89
5. Step 5: Solve for x
   x = 3,926,936.89/1,870.68
6. Step 6: Final answer
   x = 2,099.20