Finding the Fourth Proportional to 10,597.44, 15,910.76 and 5,406.96

Step by Step Solution

1. Step 1: Write the proportion equation
   10,597.44 : 15,910.76 = 5,406.96 : x
2. Step 2: Convert to fraction form
   10,597.44/15,910.76 = 5,406.96/x
3. Step 3: Cross multiply
   10,597.44x = 15,910.76 × 5,406.96
4. Step 4: Simplify right side
   10,597.44x = 86,028,842.89
5. Step 5: Solve for x
   x = 86,028,842.89/10,597.44
6. Step 6: Final answer
   x = 8,117.89