Finding the Fourth Proportional to 1,784.07, 2,462.00 and 1,121.31

Step by Step Solution

1. Step 1: Write the proportion equation
   1,784.07 : 2,462.00 = 1,121.31 : x
2. Step 2: Convert to fraction form
   1,784.07/2,462.00 = 1,121.31/x
3. Step 3: Cross multiply
   1,784.07x = 2,462.00 × 1,121.31
4. Step 4: Simplify right side
   1,784.07x = 2,760,659.61
5. Step 5: Solve for x
   x = 2,760,659.61/1,784.07
6. Step 6: Final answer
   x = 1,547.39