Finding the Fourth Proportional to 8,865.02, 13,300.56 and 3,938.12

Step by Step Solution

1. Step 1: Write the proportion equation
   8,865.02 : 13,300.56 = 3,938.12 : x
2. Step 2: Convert to fraction form
   8,865.02/13,300.56 = 3,938.12/x
3. Step 3: Cross multiply
   8,865.02x = 13,300.56 × 3,938.12
4. Step 4: Simplify right side
   8,865.02x = 52,379,201.35
5. Step 5: Solve for x
   x = 52,379,201.35/8,865.02
6. Step 6: Final answer
   x = 5,908.53