Finding the Fourth Proportional to 12,982,397.34, 17,821,892.27 and 11,143,663.42

Step by Step Solution

1. Step 1: Write the proportion equation
   12,982,397.34 : 17,821,892.27 = 11,143,663.42 : x
2. Step 2: Convert to fraction form
   12,982,397.34/17,821,892.27 = 11,143,663.42/x
3. Step 3: Cross multiply
   12,982,397.34x = 17,821,892.27 × 11,143,663.42
4. Step 4: Simplify right side
   12,982,397.34x = 198,601,168,964,379.75
5. Step 5: Solve for x
   x = 198,601,168,964,379.75/12,982,397.34
6. Step 6: Final answer
   x = 15,297,726.90