Finding the Fourth Proportional to 8,978.47, 13,469.13 and 2,737.05

Step by Step Solution

1. Step 1: Write the proportion equation
   8,978.47 : 13,469.13 = 2,737.05 : x
2. Step 2: Convert to fraction form
   8,978.47/13,469.13 = 2,737.05/x
3. Step 3: Cross multiply
   8,978.47x = 13,469.13 × 2,737.05
4. Step 4: Simplify right side
   8,978.47x = 36,865,724.54
5. Step 5: Solve for x
   x = 36,865,724.54/8,978.47
6. Step 6: Final answer
   x = 4,106.01