Finding the Fourth Proportional to 1,034.86, 1,428.35 and 703.42

Step by Step Solution

1. Step 1: Write the proportion equation
   1,034.86 : 1,428.35 = 703.42 : x
2. Step 2: Convert to fraction form
   1,034.86/1,428.35 = 703.42/x
3. Step 3: Cross multiply
   1,034.86x = 1,428.35 × 703.42
4. Step 4: Simplify right side
   1,034.86x = 1,004,729.96
5. Step 5: Solve for x
   x = 1,004,729.96/1,034.86
6. Step 6: Final answer
   x = 970.88