Finding the Fourth Proportional to 2,061.12, 2,842.21 and 1,432.36

Step by Step Solution

1. Step 1: Write the proportion equation
   2,061.12 : 2,842.21 = 1,432.36 : x
2. Step 2: Convert to fraction form
   2,061.12/2,842.21 = 1,432.36/x
3. Step 3: Cross multiply
   2,061.12x = 2,842.21 × 1,432.36
4. Step 4: Simplify right side
   2,061.12x = 4,071,067.92
5. Step 5: Solve for x
   x = 4,071,067.92/2,061.12
6. Step 6: Final answer
   x = 1,975.17