Finding the Fourth Proportional to 1,430.49, 2,142.75 and 1,151.34

Step by Step Solution

1. Step 1: Write the proportion equation
   1,430.49 : 2,142.75 = 1,151.34 : x
2. Step 2: Convert to fraction form
   1,430.49/2,142.75 = 1,151.34/x
3. Step 3: Cross multiply
   1,430.49x = 2,142.75 × 1,151.34
4. Step 4: Simplify right side
   1,430.49x = 2,467,017.31
5. Step 5: Solve for x
   x = 2,467,017.31/1,430.49
6. Step 6: Final answer
   x = 1,724.60