Finding the Fourth Proportional to 1,100.72, 1,651.14 and 552.38

Step by Step Solution

1. Step 1: Write the proportion equation
   1,100.72 : 1,651.14 = 552.38 : x
2. Step 2: Convert to fraction form
   1,100.72/1,651.14 = 552.38/x
3. Step 3: Cross multiply
   1,100.72x = 1,651.14 × 552.38
4. Step 4: Simplify right side
   1,100.72x = 912,056.71
5. Step 5: Solve for x
   x = 912,056.71/1,100.72
6. Step 6: Final answer
   x = 828.60