Finding the Fourth Proportional to 9,998.71, 14,965.52 and 7,365.18

Step by Step Solution

1. Step 1: Write the proportion equation
   9,998.71 : 14,965.52 = 7,365.18 : x
2. Step 2: Convert to fraction form
   9,998.71/14,965.52 = 7,365.18/x
3. Step 3: Cross multiply
   9,998.71x = 14,965.52 × 7,365.18
4. Step 4: Simplify right side
   9,998.71x = 110,223,688.89
5. Step 5: Solve for x
   x = 110,223,688.89/9,998.71
6. Step 6: Final answer
   x = 11,023.79