Finding the Fourth Proportional to 12,682,038, 19,019,060.92 and 4,160,388.72

Step by Step Solution

1. Step 1: Write the proportion equation
   12,682,038 : 19,019,060.92 = 4,160,388.72 : x
2. Step 2: Convert to fraction form
   12,682,038/19,019,060.92 = 4,160,388.72/x
3. Step 3: Cross multiply
   12,682,038x = 19,019,060.92 × 4,160,388.72
4. Step 4: Simplify right side
   12,682,038x = 79,126,686,516,560.83
5. Step 5: Solve for x
   x = 79,126,686,516,560.83/12,682,038
6. Step 6: Final answer
   x = 6,239,272.15