Finding the Fourth Proportional to 8,655,171.84, 12,990,222.72 and 3,340,120.32

Step by Step Solution

1. Step 1: Write the proportion equation
   8,655,171.84 : 12,990,222.72 = 3,340,120.32 : x
2. Step 2: Convert to fraction form
   8,655,171.84/12,990,222.72 = 3,340,120.32/x
3. Step 3: Cross multiply
   8,655,171.84x = 12,990,222.72 × 3,340,120.32
4. Step 4: Simplify right side
   8,655,171.84x = 43,388,906,868,397.67
5. Step 5: Solve for x
   x = 43,388,906,868,397.67/8,655,171.84
6. Step 6: Final answer
   x = 5,013,061.29