Finding the Fourth Proportional to 10,871,619.72, 16,271,944.50 and 7,992,224.32

Step by Step Solution

1. Step 1: Write the proportion equation
   10,871,619.72 : 16,271,944.50 = 7,992,224.32 : x
2. Step 2: Convert to fraction form
   10,871,619.72/16,271,944.50 = 7,992,224.32/x
3. Step 3: Cross multiply
   10,871,619.72x = 16,271,944.50 × 7,992,224.32
4. Step 4: Simplify right side
   10,871,619.72x = 130,049,030,566,590.25
5. Step 5: Solve for x
   x = 130,049,030,566,590.25/10,871,619.72
6. Step 6: Final answer
   x = 11,962,249.78