Finding the Fourth Proportional to 12,085,108.80, 16,680,971.88 and 7,899,401.94

Step by Step Solution

1. Step 1: Write the proportion equation
   12,085,108.80 : 16,680,971.88 = 7,899,401.94 : x
2. Step 2: Convert to fraction form
   12,085,108.80/16,680,971.88 = 7,899,401.94/x
3. Step 3: Cross multiply
   12,085,108.80x = 16,680,971.88 × 7,899,401.94
4. Step 4: Simplify right side
   12,085,108.80x = 131,769,701,629,957.45
5. Step 5: Solve for x
   x = 131,769,701,629,957.45/12,085,108.80
6. Step 6: Final answer
   x = 10,903,476.65