Finding the Fourth Proportional to 2,522.17, 3,783.86 and 790.79

Step by Step Solution

1. Step 1: Write the proportion equation
   2,522.17 : 3,783.86 = 790.79 : x
2. Step 2: Convert to fraction form
   2,522.17/3,783.86 = 790.79/x
3. Step 3: Cross multiply
   2,522.17x = 3,783.86 × 790.79
4. Step 4: Simplify right side
   2,522.17x = 2,992,247.12
5. Step 5: Solve for x
   x = 2,992,247.12/2,522.17
6. Step 6: Final answer
   x = 1,186.38