Finding the Fourth Proportional to 1,602.72, 2,406.24 and 736.56

Step by Step Solution

1. Step 1: Write the proportion equation
   1,602.72 : 2,406.24 = 736.56 : x
2. Step 2: Convert to fraction form
   1,602.72/2,406.24 = 736.56/x
3. Step 3: Cross multiply
   1,602.72x = 2,406.24 × 736.56
4. Step 4: Simplify right side
   1,602.72x = 1,772,340.13
5. Step 5: Solve for x
   x = 1,772,340.13/1,602.72
6. Step 6: Final answer
   x = 1,105.83