Finding the Fourth Proportional to 23,680,524.42, 32,679,123.36 and 12,815,508.42

Step by Step Solution

1. Step 1: Write the proportion equation
   23,680,524.42 : 32,679,123.36 = 12,815,508.42 : x
2. Step 2: Convert to fraction form
   23,680,524.42/32,679,123.36 = 12,815,508.42/x
3. Step 3: Cross multiply
   23,680,524.42x = 32,679,123.36 × 12,815,508.42
4. Step 4: Simplify right side
   23,680,524.42x = 418,799,580,578,298.69
5. Step 5: Solve for x
   x = 418,799,580,578,298.69/23,680,524.42
6. Step 6: Final answer
   x = 17,685,401.44