Finding the Fourth Proportional to 1,807.69, 2,493.10 and 1,434.08

Step by Step Solution

1. Step 1: Write the proportion equation
   1,807.69 : 2,493.10 = 1,434.08 : x
2. Step 2: Convert to fraction form
   1,807.69/2,493.10 = 1,434.08/x
3. Step 3: Cross multiply
   1,807.69x = 2,493.10 × 1,434.08
4. Step 4: Simplify right side
   1,807.69x = 3,575,290.78
5. Step 5: Solve for x
   x = 3,575,290.78/1,807.69
6. Step 6: Final answer
   x = 1,977.82