Finding the Fourth Proportional to 981.48, 1,470.86 and 737.72

Step by Step Solution

1. Step 1: Write the proportion equation
   981.48 : 1,470.86 = 737.72 : x
2. Step 2: Convert to fraction form
   981.48/1,470.86 = 737.72/x
3. Step 3: Cross multiply
   981.48x = 1,470.86 × 737.72
4. Step 4: Simplify right side
   981.48x = 1,085,079.15
5. Step 5: Solve for x
   x = 1,085,079.15/981.48
6. Step 6: Final answer
   x = 1,105.55