Finding the Fourth Proportional to 1,499.69, 2,070.29 and 940.46

Step by Step Solution

1. Step 1: Write the proportion equation
   1,499.69 : 2,070.29 = 940.46 : x
2. Step 2: Convert to fraction form
   1,499.69/2,070.29 = 940.46/x
3. Step 3: Cross multiply
   1,499.69x = 2,070.29 × 940.46
4. Step 4: Simplify right side
   1,499.69x = 1,947,016.93
5. Step 5: Solve for x
   x = 1,947,016.93/1,499.69
6. Step 6: Final answer
   x = 1,298.28