Finding the Fourth Proportional to 1,973.20, 2,719.86 and 1,499.56

Step by Step Solution

1. Step 1: Write the proportion equation
   1,973.20 : 2,719.86 = 1,499.56 : x
2. Step 2: Convert to fraction form
   1,973.20/2,719.86 = 1,499.56/x
3. Step 3: Cross multiply
   1,973.20x = 2,719.86 × 1,499.56
4. Step 4: Simplify right side
   1,973.20x = 4,078,593.26
5. Step 5: Solve for x
   x = 4,078,593.26/1,973.20
6. Step 6: Final answer
   x = 2,066.99