Finding the Fourth Proportional to 2,555.09, 3,526.06 and 1,507.15

Step by Step Solution

1. Step 1: Write the proportion equation
   2,555.09 : 3,526.06 = 1,507.15 : x
2. Step 2: Convert to fraction form
   2,555.09/3,526.06 = 1,507.15/x
3. Step 3: Cross multiply
   2,555.09x = 3,526.06 × 1,507.15
4. Step 4: Simplify right side
   2,555.09x = 5,314,288.75
5. Step 5: Solve for x
   x = 5,314,288.75/2,555.09
6. Step 6: Final answer
   x = 2,079.89