Finding the Fourth Proportional to 1,088.16, 1,631.56 and 471.52

Step by Step Solution

1. Step 1: Write the proportion equation
   1,088.16 : 1,631.56 = 471.52 : x
2. Step 2: Convert to fraction form
   1,088.16/1,631.56 = 471.52/x
3. Step 3: Cross multiply
   1,088.16x = 1,631.56 × 471.52
4. Step 4: Simplify right side
   1,088.16x = 769,313.17
5. Step 5: Solve for x
   x = 769,313.17/1,088.16
6. Step 6: Final answer
   x = 706.99