Finding the Fourth Proportional to 1,870.05, 2,579.43 and 1,151.94

Step by Step Solution

1. Step 1: Write the proportion equation
   1,870.05 : 2,579.43 = 1,151.94 : x
2. Step 2: Convert to fraction form
   1,870.05/2,579.43 = 1,151.94/x
3. Step 3: Cross multiply
   1,870.05x = 2,579.43 × 1,151.94
4. Step 4: Simplify right side
   1,870.05x = 2,971,348.59
5. Step 5: Solve for x
   x = 2,971,348.59/1,870.05
6. Step 6: Final answer
   x = 1,588.91