Finding the Fourth Proportional to 1,970.86, 2,717.72 and 1,472.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,970.86 : 2,717.72 = 1,472.72 : x
2. Step 2: Convert to fraction form
   1,970.86/2,717.72 = 1,472.72/x
3. Step 3: Cross multiply
   1,970.86x = 2,717.72 × 1,472.72
4. Step 4: Simplify right side
   1,970.86x = 4,002,440.60
5. Step 5: Solve for x
   x = 4,002,440.60/1,970.86
6. Step 6: Final answer
   x = 2,030.81