Finding the Fourth Proportional to 1,970.35, 2,719.12 and 1,086.14

Step by Step Solution

1. Step 1: Write the proportion equation
   1,970.35 : 2,719.12 = 1,086.14 : x
2. Step 2: Convert to fraction form
   1,970.35/2,719.12 = 1,086.14/x
3. Step 3: Cross multiply
   1,970.35x = 2,719.12 × 1,086.14
4. Step 4: Simplify right side
   1,970.35x = 2,953,345.00
5. Step 5: Solve for x
   x = 2,953,345.00/1,970.35
6. Step 6: Final answer
   x = 1,498.89