Finding the Fourth Proportional to 2,124.72, 3,186.88 and 737.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,124.72 : 3,186.88 = 737.72 : x
2. Step 2: Convert to fraction form
   2,124.72/3,186.88 = 737.72/x
3. Step 3: Cross multiply
   2,124.72x = 3,186.88 × 737.72
4. Step 4: Simplify right side
   2,124.72x = 2,351,025.11
5. Step 5: Solve for x
   x = 2,351,025.11/2,124.72
6. Step 6: Final answer
   x = 1,106.51