Finding the Fourth Proportional to 1,784.34, 2,460.42 and 1,225.08

Step by Step Solution

1. Step 1: Write the proportion equation
   1,784.34 : 2,460.42 = 1,225.08 : x
2. Step 2: Convert to fraction form
   1,784.34/2,460.42 = 1,225.08/x
3. Step 3: Cross multiply
   1,784.34x = 2,460.42 × 1,225.08
4. Step 4: Simplify right side
   1,784.34x = 3,014,211.33
5. Step 5: Solve for x
   x = 3,014,211.33/1,784.34
6. Step 6: Final answer
   x = 1,689.26