Finding the Fourth Proportional to 12,836,056.79, 19,253,936.74 and 3,120,724.82

Step by Step Solution

1. Step 1: Write the proportion equation
   12,836,056.79 : 19,253,936.74 = 3,120,724.82 : x
2. Step 2: Convert to fraction form
   12,836,056.79/19,253,936.74 = 3,120,724.82/x
3. Step 3: Cross multiply
   12,836,056.79x = 19,253,936.74 × 3,120,724.82
4. Step 4: Simplify right side
   12,836,056.79x = 60,086,238,267,227.88
5. Step 5: Solve for x
   x = 60,086,238,267,227.88/12,836,056.79
6. Step 6: Final answer
   x = 4,681,051.14