Finding the Fourth Proportional to 10,020.32, 15,026.16 and 3,860

Step by Step Solution

1. Step 1: Write the proportion equation
   10,020.32 : 15,026.16 = 3,860 : x
2. Step 2: Convert to fraction form
   10,020.32/15,026.16 = 3,860/x
3. Step 3: Cross multiply
   10,020.32x = 15,026.16 × 3,860
4. Step 4: Simplify right side
   10,020.32x = 58,000,977.60
5. Step 5: Solve for x
   x = 58,000,977.60/10,020.32
6. Step 6: Final answer
   x = 5,788.34