Finding the Fourth Proportional to 9,078.01, 13,612.15 and 3,881.05

Step by Step Solution

1. Step 1: Write the proportion equation
   9,078.01 : 13,612.15 = 3,881.05 : x
2. Step 2: Convert to fraction form
   9,078.01/13,612.15 = 3,881.05/x
3. Step 3: Cross multiply
   9,078.01x = 13,612.15 × 3,881.05
4. Step 4: Simplify right side
   9,078.01x = 52,829,356.99
5. Step 5: Solve for x
   x = 52,829,356.99/9,078.01
6. Step 6: Final answer
   x = 5,819.49