Finding the Fourth Proportional to 3,688.23, 5,532.24 and 914.88

Step by Step Solution

1. Step 1: Write the proportion equation
   3,688.23 : 5,532.24 = 914.88 : x
2. Step 2: Convert to fraction form
   3,688.23/5,532.24 = 914.88/x
3. Step 3: Cross multiply
   3,688.23x = 5,532.24 × 914.88
4. Step 4: Simplify right side
   3,688.23x = 5,061,335.73
5. Step 5: Solve for x
   x = 5,061,335.73/3,688.23
6. Step 6: Final answer
   x = 1,372.29