Finding the Fourth Proportional to 10,988,016.84, 15,161,615.28 and 7,322,405.76

Step by Step Solution

1. Step 1: Write the proportion equation
   10,988,016.84 : 15,161,615.28 = 7,322,405.76 : x
2. Step 2: Convert to fraction form
   10,988,016.84/15,161,615.28 = 7,322,405.76/x
3. Step 3: Cross multiply
   10,988,016.84x = 15,161,615.28 × 7,322,405.76
4. Step 4: Simplify right side
   10,988,016.84x = 111,019,499,057,176
5. Step 5: Solve for x
   x = 111,019,499,057,176/10,988,016.84
6. Step 6: Final answer
   x = 10,103,688.47