Finding the Fourth Proportional to 1,038.42, 1,432.71 and 706.27

Step by Step Solution

1. Step 1: Write the proportion equation
   1,038.42 : 1,432.71 = 706.27 : x
2. Step 2: Convert to fraction form
   1,038.42/1,432.71 = 706.27/x
3. Step 3: Cross multiply
   1,038.42x = 1,432.71 × 706.27
4. Step 4: Simplify right side
   1,038.42x = 1,011,881.18
5. Step 5: Solve for x
   x = 1,011,881.18/1,038.42
6. Step 6: Final answer
   x = 974.44