Finding the Fourth Proportional to 2,502.77, 3,451.90 and 1,507.01

Step by Step Solution

1. Step 1: Write the proportion equation
   2,502.77 : 3,451.90 = 1,507.01 : x
2. Step 2: Convert to fraction form
   2,502.77/3,451.90 = 1,507.01/x
3. Step 3: Cross multiply
   2,502.77x = 3,451.90 × 1,507.01
4. Step 4: Simplify right side
   2,502.77x = 5,202,047.82
5. Step 5: Solve for x
   x = 5,202,047.82/2,502.77
6. Step 6: Final answer
   x = 2,078.52