Finding the Fourth Proportional to 1,112, 1,534.72 and 697.92

Step by Step Solution

1. Step 1: Write the proportion equation
   1,112 : 1,534.72 = 697.92 : x
2. Step 2: Convert to fraction form
   1,112/1,534.72 = 697.92/x
3. Step 3: Cross multiply
   1,112x = 1,534.72 × 697.92
4. Step 4: Simplify right side
   1,112x = 1,071,111.78
5. Step 5: Solve for x
   x = 1,071,111.78/1,112
6. Step 6: Final answer
   x = 963.23