Finding the Fourth Proportional to 10,293.88, 15,435.86 and 5,910.20

Step by Step Solution

1. Step 1: Write the proportion equation
   10,293.88 : 15,435.86 = 5,910.20 : x
2. Step 2: Convert to fraction form
   10,293.88/15,435.86 = 5,910.20/x
3. Step 3: Cross multiply
   10,293.88x = 15,435.86 × 5,910.20
4. Step 4: Simplify right side
   10,293.88x = 91,229,019.77
5. Step 5: Solve for x
   x = 91,229,019.77/10,293.88
6. Step 6: Final answer
   x = 8,862.45