Finding the Fourth Proportional to 49,205,401.30, 73,807,713.15 and 12,813,721.30

Step by Step Solution

1. Step 1: Write the proportion equation
   49,205,401.30 : 73,807,713.15 = 12,813,721.30 : x
2. Step 2: Convert to fraction form
   49,205,401.30/73,807,713.15 = 12,813,721.30/x
3. Step 3: Cross multiply
   49,205,401.30x = 73,807,713.15 × 12,813,721.30
4. Step 4: Simplify right side
   49,205,401.30x = 945,751,466,094,445.25
5. Step 5: Solve for x
   x = 945,751,466,094,445.25/49,205,401.30
6. Step 6: Final answer
   x = 19,220,480.70