Finding the Fourth Proportional to 12,645,868.50, 18,968,852.16 and 3,061,231.38

Step by Step Solution

1. Step 1: Write the proportion equation
   12,645,868.50 : 18,968,852.16 = 3,061,231.38 : x
2. Step 2: Convert to fraction form
   12,645,868.50/18,968,852.16 = 3,061,231.38/x
3. Step 3: Cross multiply
   12,645,868.50x = 18,968,852.16 × 3,061,231.38
4. Step 4: Simplify right side
   12,645,868.50x = 58,068,045,474,772.78
5. Step 5: Solve for x
   x = 58,068,045,474,772.78/12,645,868.50
6. Step 6: Final answer
   x = 4,591,859.03