Finding the Fourth Proportional to 12,229,613.83, 18,343,941.89 and 4,142,589.43

Step by Step Solution

1. Step 1: Write the proportion equation
   12,229,613.83 : 18,343,941.89 = 4,142,589.43 : x
2. Step 2: Convert to fraction form
   12,229,613.83/18,343,941.89 = 4,142,589.43/x
3. Step 3: Cross multiply
   12,229,613.83x = 18,343,941.89 × 4,142,589.43
4. Step 4: Simplify right side
   12,229,613.83x = 75,991,419,778,048.23
5. Step 5: Solve for x
   x = 75,991,419,778,048.23/12,229,613.83
6. Step 6: Final answer
   x = 6,213,721.94