Finding the Fourth Proportional to 10,384,239.89, 15,581,936.69 and 4,323,155.29

Step by Step Solution

1. Step 1: Write the proportion equation
   10,384,239.89 : 15,581,936.69 = 4,323,155.29 : x
2. Step 2: Convert to fraction form
   10,384,239.89/15,581,936.69 = 4,323,155.29/x
3. Step 3: Cross multiply
   10,384,239.89x = 15,581,936.69 × 4,323,155.29
4. Step 4: Simplify right side
   10,384,239.89x = 67,363,131,985,459.80
5. Step 5: Solve for x
   x = 67,363,131,985,459.80/10,384,239.89
6. Step 6: Final answer
   x = 6,487,054.68