Finding the Fourth Proportional to 2,563.93, 3,538.38 and 1,429.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,563.93 : 3,538.38 = 1,429.72 : x
2. Step 2: Convert to fraction form
   2,563.93/3,538.38 = 1,429.72/x
3. Step 3: Cross multiply
   2,563.93x = 3,538.38 × 1,429.72
4. Step 4: Simplify right side
   2,563.93x = 5,058,909.07
5. Step 5: Solve for x
   x = 5,058,909.07/2,563.93
6. Step 6: Final answer
   x = 1,973.11