Finding the Fourth Proportional to 22,428,908.75, 30,951,870.31 and 12,115,630.19

Step by Step Solution

1. Step 1: Write the proportion equation
   22,428,908.75 : 30,951,870.31 = 12,115,630.19 : x
2. Step 2: Convert to fraction form
   22,428,908.75/30,951,870.31 = 12,115,630.19/x
3. Step 3: Cross multiply
   22,428,908.75x = 30,951,870.31 × 12,115,630.19
4. Step 4: Simplify right side
   22,428,908.75x = 375,001,414,364,800.62
5. Step 5: Solve for x
   x = 375,001,414,364,800.62/22,428,908.75
6. Step 6: Final answer
   x = 16,719,556.82