Finding the Fourth Proportional to 8,411.36, 12,607.32 and 4,902.56

Step by Step Solution

1. Step 1: Write the proportion equation
   8,411.36 : 12,607.32 = 4,902.56 : x
2. Step 2: Convert to fraction form
   8,411.36/12,607.32 = 4,902.56/x
3. Step 3: Cross multiply
   8,411.36x = 12,607.32 × 4,902.56
4. Step 4: Simplify right side
   8,411.36x = 61,808,142.74
5. Step 5: Solve for x
   x = 61,808,142.74/8,411.36
6. Step 6: Final answer
   x = 7,348.17