Finding the Fourth Proportional to 22,081,936, 30,474,071.08 and 12,789,911.56

Step by Step Solution

1. Step 1: Write the proportion equation
   22,081,936 : 30,474,071.08 = 12,789,911.56 : x
2. Step 2: Convert to fraction form
   22,081,936/30,474,071.08 = 12,789,911.56/x
3. Step 3: Cross multiply
   22,081,936x = 30,474,071.08 × 12,789,911.56
4. Step 4: Simplify right side
   22,081,936x = 389,760,673,986,353.69
5. Step 5: Solve for x
   x = 389,760,673,986,353.69/22,081,936
6. Step 6: Final answer
   x = 17,650,656.81