Finding the Fourth Proportional to 10,436.06, 14,403.61 and 7,913.92

Step by Step Solution

1. Step 1: Write the proportion equation
   10,436.06 : 14,403.61 = 7,913.92 : x
2. Step 2: Convert to fraction form
   10,436.06/14,403.61 = 7,913.92/x
3. Step 3: Cross multiply
   10,436.06x = 14,403.61 × 7,913.92
4. Step 4: Simplify right side
   10,436.06x = 113,989,017.25
5. Step 5: Solve for x
   x = 113,989,017.25/10,436.06
6. Step 6: Final answer
   x = 10,922.61