Finding the Fourth Proportional to 3,456.78, 5,184.09 and 1,507.02

Step by Step Solution

1. Step 1: Write the proportion equation
   3,456.78 : 5,184.09 = 1,507.02 : x
2. Step 2: Convert to fraction form
   3,456.78/5,184.09 = 1,507.02/x
3. Step 3: Cross multiply
   3,456.78x = 5,184.09 × 1,507.02
4. Step 4: Simplify right side
   3,456.78x = 7,812,527.31
5. Step 5: Solve for x
   x = 7,812,527.31/3,456.78
6. Step 6: Final answer
   x = 2,260.06