Finding the Fourth Proportional to 1,435.13, 1,979.62 and 937.99

Step by Step Solution

1. Step 1: Write the proportion equation
   1,435.13 : 1,979.62 = 937.99 : x
2. Step 2: Convert to fraction form
   1,435.13/1,979.62 = 937.99/x
3. Step 3: Cross multiply
   1,435.13x = 1,979.62 × 937.99
4. Step 4: Simplify right side
   1,435.13x = 1,856,856.47
5. Step 5: Solve for x
   x = 1,856,856.47/1,435.13
6. Step 6: Final answer
   x = 1,293.86