Finding the Fourth Proportional to 1,810.04, 2,713.50 and 769.89

Step by Step Solution

1. Step 1: Write the proportion equation
   1,810.04 : 2,713.50 = 769.89 : x
2. Step 2: Convert to fraction form
   1,810.04/2,713.50 = 769.89/x
3. Step 3: Cross multiply
   1,810.04x = 2,713.50 × 769.89
4. Step 4: Simplify right side
   1,810.04x = 2,089,105.31
5. Step 5: Solve for x
   x = 2,089,105.31/1,810.04
6. Step 6: Final answer
   x = 1,154.18