Finding the Fourth Proportional to 1,142.14, 1,575.51 and 693.73

Step by Step Solution

1. Step 1: Write the proportion equation
   1,142.14 : 1,575.51 = 693.73 : x
2. Step 2: Convert to fraction form
   1,142.14/1,575.51 = 693.73/x
3. Step 3: Cross multiply
   1,142.14x = 1,575.51 × 693.73
4. Step 4: Simplify right side
   1,142.14x = 1,092,978.55
5. Step 5: Solve for x
   x = 1,092,978.55/1,142.14
6. Step 6: Final answer
   x = 956.96