Finding the Fourth Proportional to 11,833.54, 17,737.71 and 8,902.78

Step by Step Solution

1. Step 1: Write the proportion equation
   11,833.54 : 17,737.71 = 8,902.78 : x
2. Step 2: Convert to fraction form
   11,833.54/17,737.71 = 8,902.78/x
3. Step 3: Cross multiply
   11,833.54x = 17,737.71 × 8,902.78
4. Step 4: Simplify right side
   11,833.54x = 157,914,929.83
5. Step 5: Solve for x
   x = 157,914,929.83/11,833.54
6. Step 6: Final answer
   x = 13,344.69