Finding the Fourth Proportional to 1,814.60, 2,719.46 and 774.02

Step by Step Solution

1. Step 1: Write the proportion equation
   1,814.60 : 2,719.46 = 774.02 : x
2. Step 2: Convert to fraction form
   1,814.60/2,719.46 = 774.02/x
3. Step 3: Cross multiply
   1,814.60x = 2,719.46 × 774.02
4. Step 4: Simplify right side
   1,814.60x = 2,104,916.43
5. Step 5: Solve for x
   x = 2,104,916.43/1,814.60
6. Step 6: Final answer
   x = 1,159.99