Finding the Fourth Proportional to 9,698.76, 13,392.18 and 7,906.52

Step by Step Solution

1. Step 1: Write the proportion equation
   9,698.76 : 13,392.18 = 7,906.52 : x
2. Step 2: Convert to fraction form
   9,698.76/13,392.18 = 7,906.52/x
3. Step 3: Cross multiply
   9,698.76x = 13,392.18 × 7,906.52
4. Step 4: Simplify right side
   9,698.76x = 105,885,539.01
5. Step 5: Solve for x
   x = 105,885,539.01/9,698.76
6. Step 6: Final answer
   x = 10,917.43