Finding the Fourth Proportional to 1,784.88, 2,463.69 and 1,122.30

Step by Step Solution

1. Step 1: Write the proportion equation
   1,784.88 : 2,463.69 = 1,122.30 : x
2. Step 2: Convert to fraction form
   1,784.88/2,463.69 = 1,122.30/x
3. Step 3: Cross multiply
   1,784.88x = 2,463.69 × 1,122.30
4. Step 4: Simplify right side
   1,784.88x = 2,764,999.29
5. Step 5: Solve for x
   x = 2,764,999.29/1,784.88
6. Step 6: Final answer
   x = 1,549.12