Finding the Fourth Proportional to 1,892.20, 2,834.16 and 1,342.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,892.20 : 2,834.16 = 1,342.72 : x
2. Step 2: Convert to fraction form
   1,892.20/2,834.16 = 1,342.72/x
3. Step 3: Cross multiply
   1,892.20x = 2,834.16 × 1,342.72
4. Step 4: Simplify right side
   1,892.20x = 3,805,483.32
5. Step 5: Solve for x
   x = 3,805,483.32/1,892.20
6. Step 6: Final answer
   x = 2,011.14