Finding the Fourth Proportional to 2,219.32, 3,061.42 and 1,432.12

Step by Step Solution

1. Step 1: Write the proportion equation
   2,219.32 : 3,061.42 = 1,432.12 : x
2. Step 2: Convert to fraction form
   2,219.32/3,061.42 = 1,432.12/x
3. Step 3: Cross multiply
   2,219.32x = 3,061.42 × 1,432.12
4. Step 4: Simplify right side
   2,219.32x = 4,384,320.81
5. Step 5: Solve for x
   x = 4,384,320.81/2,219.32
6. Step 6: Final answer
   x = 1,975.52