Finding the Fourth Proportional to 1,373.15, 2,060.83 and 715.23

Step by Step Solution

1. Step 1: Write the proportion equation
   1,373.15 : 2,060.83 = 715.23 : x
2. Step 2: Convert to fraction form
   1,373.15/2,060.83 = 715.23/x
3. Step 3: Cross multiply
   1,373.15x = 2,060.83 × 715.23
4. Step 4: Simplify right side
   1,373.15x = 1,473,965.81
5. Step 5: Solve for x
   x = 1,473,965.81/1,373.15
6. Step 6: Final answer
   x = 1,073.42