Finding the Fourth Proportional to 3,333.81, 5,001.17 and 1,142.25

Step by Step Solution

1. Step 1: Write the proportion equation
   3,333.81 : 5,001.17 = 1,142.25 : x
2. Step 2: Convert to fraction form
   3,333.81/5,001.17 = 1,142.25/x
3. Step 3: Cross multiply
   3,333.81x = 5,001.17 × 1,142.25
4. Step 4: Simplify right side
   3,333.81x = 5,712,593.31
5. Step 5: Solve for x
   x = 5,712,593.31/3,333.81
6. Step 6: Final answer
   x = 1,713.53