Finding the Fourth Proportional to 3,483.42, 5,225.30 and 1,142.47

Step by Step Solution

1. Step 1: Write the proportion equation
   3,483.42 : 5,225.30 = 1,142.47 : x
2. Step 2: Convert to fraction form
   3,483.42/5,225.30 = 1,142.47/x
3. Step 3: Cross multiply
   3,483.42x = 5,225.30 × 1,142.47
4. Step 4: Simplify right side
   3,483.42x = 5,969,748.49
5. Step 5: Solve for x
   x = 5,969,748.49/3,483.42
6. Step 6: Final answer
   x = 1,713.76