Finding the Fourth Proportional to 2,981.39, 4,472.01 and 790.27

Step by Step Solution

1. Step 1: Write the proportion equation
   2,981.39 : 4,472.01 = 790.27 : x
2. Step 2: Convert to fraction form
   2,981.39/4,472.01 = 790.27/x
3. Step 3: Cross multiply
   2,981.39x = 4,472.01 × 790.27
4. Step 4: Simplify right side
   2,981.39x = 3,534,084.16
5. Step 5: Solve for x
   x = 3,534,084.16/2,981.39
6. Step 6: Final answer
   x = 1,185.38