Finding the Fourth Proportional to 2,515.19, 3,470.33 and 1,507.22

Step by Step Solution

1. Step 1: Write the proportion equation
   2,515.19 : 3,470.33 = 1,507.22 : x
2. Step 2: Convert to fraction form
   2,515.19/3,470.33 = 1,507.22/x
3. Step 3: Cross multiply
   2,515.19x = 3,470.33 × 1,507.22
4. Step 4: Simplify right side
   2,515.19x = 5,230,525.89
5. Step 5: Solve for x
   x = 5,230,525.89/2,515.19
6. Step 6: Final answer
   x = 2,079.58