Finding the Fourth Proportional to 1,947.83, 2,923.03 and 715.25

Step by Step Solution

1. Step 1: Write the proportion equation
   1,947.83 : 2,923.03 = 715.25 : x
2. Step 2: Convert to fraction form
   1,947.83/2,923.03 = 715.25/x
3. Step 3: Cross multiply
   1,947.83x = 2,923.03 × 715.25
4. Step 4: Simplify right side
   1,947.83x = 2,090,697.21
5. Step 5: Solve for x
   x = 2,090,697.21/1,947.83
6. Step 6: Final answer
   x = 1,073.35