Finding the Fourth Proportional to 10,871,607.98, 16,271,926.79 and 7,992,212.49

Step by Step Solution

1. Step 1: Write the proportion equation
   10,871,607.98 : 16,271,926.79 = 7,992,212.49 : x
2. Step 2: Convert to fraction form
   10,871,607.98/16,271,926.79 = 7,992,212.49/x
3. Step 3: Cross multiply
   10,871,607.98x = 16,271,926.79 × 7,992,212.49
4. Step 4: Simplify right side
   10,871,607.98x = 130,048,696,487,442.55
5. Step 5: Solve for x
   x = 130,048,696,487,442.55/10,871,607.98
6. Step 6: Final answer
   x = 11,962,231.96