Finding the Fourth Proportional to 1,419.72, 2,115.72 and 1,373.28

Step by Step Solution

1. Step 1: Write the proportion equation
   1,419.72 : 2,115.72 = 1,373.28 : x
2. Step 2: Convert to fraction form
   1,419.72/2,115.72 = 1,373.28/x
3. Step 3: Cross multiply
   1,419.72x = 2,115.72 × 1,373.28
4. Step 4: Simplify right side
   1,419.72x = 2,905,475.96
5. Step 5: Solve for x
   x = 2,905,475.96/1,419.72
6. Step 6: Final answer
   x = 2,046.51