Finding the Fourth Proportional to 2,624.23, 3,935.43 and 774.86

Step by Step Solution

1. Step 1: Write the proportion equation
   2,624.23 : 3,935.43 = 774.86 : x
2. Step 2: Convert to fraction form
   2,624.23/3,935.43 = 774.86/x
3. Step 3: Cross multiply
   2,624.23x = 3,935.43 × 774.86
4. Step 4: Simplify right side
   2,624.23x = 3,049,387.61
5. Step 5: Solve for x
   x = 3,049,387.61/2,624.23
6. Step 6: Final answer
   x = 1,162.01