Finding the Fourth Proportional to 2,551.51, 3,521.27 and 1,432.56

Step by Step Solution

1. Step 1: Write the proportion equation
   2,551.51 : 3,521.27 = 1,432.56 : x
2. Step 2: Convert to fraction form
   2,551.51/3,521.27 = 1,432.56/x
3. Step 3: Cross multiply
   2,551.51x = 3,521.27 × 1,432.56
4. Step 4: Simplify right side
   2,551.51x = 5,044,430.55
5. Step 5: Solve for x
   x = 5,044,430.55/2,551.51
6. Step 6: Final answer
   x = 1,977.04