Finding the Fourth Proportional to 2,507.52, 3,758.34 and 1,889.22

Step by Step Solution

1. Step 1: Write the proportion equation
   2,507.52 : 3,758.34 = 1,889.22 : x
2. Step 2: Convert to fraction form
   2,507.52/3,758.34 = 1,889.22/x
3. Step 3: Cross multiply
   2,507.52x = 3,758.34 × 1,889.22
4. Step 4: Simplify right side
   2,507.52x = 7,100,331.09
5. Step 5: Solve for x
   x = 7,100,331.09/2,507.52
6. Step 6: Final answer
   x = 2,831.61