Finding the Fourth Proportional to 12,834,082.42, 19,238,161.92 and 8,045,128.42

Step by Step Solution

1. Step 1: Write the proportion equation
   12,834,082.42 : 19,238,161.92 = 8,045,128.42 : x
2. Step 2: Convert to fraction form
   12,834,082.42/19,238,161.92 = 8,045,128.42/x
3. Step 3: Cross multiply
   12,834,082.42x = 19,238,161.92 × 8,045,128.42
4. Step 4: Simplify right side
   12,834,082.42x = 154,773,483,211,153.78
5. Step 5: Solve for x
   x = 154,773,483,211,153.78/12,834,082.42
6. Step 6: Final answer
   x = 12,059,567.50