Finding the Fourth Proportional to 1,970.38, 2,719.20 and 1,472.14

Step by Step Solution

1. Step 1: Write the proportion equation
   1,970.38 : 2,719.20 = 1,472.14 : x
2. Step 2: Convert to fraction form
   1,970.38/2,719.20 = 1,472.14/x
3. Step 3: Cross multiply
   1,970.38x = 2,719.20 × 1,472.14
4. Step 4: Simplify right side
   1,970.38x = 4,003,043.09
5. Step 5: Solve for x
   x = 4,003,043.09/1,970.38
6. Step 6: Final answer
   x = 2,031.61