Finding the Fourth Proportional to 39,143,608.48, 58,700,452.83 and 12,876,333.13

Step by Step Solution

1. Step 1: Write the proportion equation
   39,143,608.48 : 58,700,452.83 = 12,876,333.13 : x
2. Step 2: Convert to fraction form
   39,143,608.48/58,700,452.83 = 12,876,333.13/x
3. Step 3: Cross multiply
   39,143,608.48x = 58,700,452.83 × 12,876,333.13
4. Step 4: Simplify right side
   39,143,608.48x = 755,846,585,520,931.25
5. Step 5: Solve for x
   x = 755,846,585,520,931.25/39,143,608.48
6. Step 6: Final answer
   x = 19,309,578.62