Finding the Fourth Proportional to 10,921,155.67, 16,387,992.71 and 4,443,035.41

Step by Step Solution

1. Step 1: Write the proportion equation
   10,921,155.67 : 16,387,992.71 = 4,443,035.41 : x
2. Step 2: Convert to fraction form
   10,921,155.67/16,387,992.71 = 4,443,035.41/x
3. Step 3: Cross multiply
   10,921,155.67x = 16,387,992.71 × 4,443,035.41
4. Step 4: Simplify right side
   10,921,155.67x = 72,812,431,909,351.88
5. Step 5: Solve for x
   x = 72,812,431,909,351.88/10,921,155.67
6. Step 6: Final answer
   x = 6,667,099.54