Finding the Fourth Proportional to 1,497.42, 2,245.05 and 716.31

Step by Step Solution

1. Step 1: Write the proportion equation
   1,497.42 : 2,245.05 = 716.31 : x
2. Step 2: Convert to fraction form
   1,497.42/2,245.05 = 716.31/x
3. Step 3: Cross multiply
   1,497.42x = 2,245.05 × 716.31
4. Step 4: Simplify right side
   1,497.42x = 1,608,151.77
5. Step 5: Solve for x
   x = 1,608,151.77/1,497.42
6. Step 6: Final answer
   x = 1,073.95