Finding the Fourth Proportional to 1,789.59, 2,685.15 and 924.51

Step by Step Solution

1. Step 1: Write the proportion equation
   1,789.59 : 2,685.15 = 924.51 : x
2. Step 2: Convert to fraction form
   1,789.59/2,685.15 = 924.51/x
3. Step 3: Cross multiply
   1,789.59x = 2,685.15 × 924.51
4. Step 4: Simplify right side
   1,789.59x = 2,482,448.03
5. Step 5: Solve for x
   x = 2,482,448.03/1,789.59
6. Step 6: Final answer
   x = 1,387.16