Finding the Fourth Proportional to 1,713.89, 2,569.05 and 790.09

Step by Step Solution

1. Step 1: Write the proportion equation
   1,713.89 : 2,569.05 = 790.09 : x
2. Step 2: Convert to fraction form
   1,713.89/2,569.05 = 790.09/x
3. Step 3: Cross multiply
   1,713.89x = 2,569.05 × 790.09
4. Step 4: Simplify right side
   1,713.89x = 2,029,774.29
5. Step 5: Solve for x
   x = 2,029,774.29/1,713.89
6. Step 6: Final answer
   x = 1,184.31