Finding the Fourth Proportional to 1,888.72, 2,829.48 and 1,429.52

Step by Step Solution

1. Step 1: Write the proportion equation
   1,888.72 : 2,829.48 = 1,429.52 : x
2. Step 2: Convert to fraction form
   1,888.72/2,829.48 = 1,429.52/x
3. Step 3: Cross multiply
   1,888.72x = 2,829.48 × 1,429.52
4. Step 4: Simplify right side
   1,888.72x = 4,044,798.25
5. Step 5: Solve for x
   x = 4,044,798.25/1,888.72
6. Step 6: Final answer
   x = 2,141.56