Finding the Fourth Proportional to 1,970.74, 2,719.86 and 1,499.32

Step by Step Solution

1. Step 1: Write the proportion equation
   1,970.74 : 2,719.86 = 1,499.32 : x
2. Step 2: Convert to fraction form
   1,970.74/2,719.86 = 1,499.32/x
3. Step 3: Cross multiply
   1,970.74x = 2,719.86 × 1,499.32
4. Step 4: Simplify right side
   1,970.74x = 4,077,940.50
5. Step 5: Solve for x
   x = 4,077,940.50/1,970.74
6. Step 6: Final answer
   x = 2,069.24