Finding the Fourth Proportional to 4,834.86, 7,254.21 and 4,827.18

Step by Step Solution

1. Step 1: Write the proportion equation
   4,834.86 : 7,254.21 = 4,827.18 : x
2. Step 2: Convert to fraction form
   4,834.86/7,254.21 = 4,827.18/x
3. Step 3: Cross multiply
   4,834.86x = 7,254.21 × 4,827.18
4. Step 4: Simplify right side
   4,834.86x = 35,017,377.43
5. Step 5: Solve for x
   x = 35,017,377.43/4,834.86
6. Step 6: Final answer
   x = 7,242.69