Finding the Fourth Proportional to 10,493.92, 15,731.52 and 3,920.41

Step by Step Solution

1. Step 1: Write the proportion equation
   10,493.92 : 15,731.52 = 3,920.41 : x
2. Step 2: Convert to fraction form
   10,493.92/15,731.52 = 3,920.41/x
3. Step 3: Cross multiply
   10,493.92x = 15,731.52 × 3,920.41
4. Step 4: Simplify right side
   10,493.92x = 61,674,008.32
5. Step 5: Solve for x
   x = 61,674,008.32/10,493.92
6. Step 6: Final answer
   x = 5,877.12