Finding the Fourth Proportional to 12,899,290.10, 19,351,734.50 and 3,923,608.82

Step by Step Solution

1. Step 1: Write the proportion equation
   12,899,290.10 : 19,351,734.50 = 3,923,608.82 : x
2. Step 2: Convert to fraction form
   12,899,290.10/19,351,734.50 = 3,923,608.82/x
3. Step 3: Cross multiply
   12,899,290.10x = 19,351,734.50 × 3,923,608.82
4. Step 4: Simplify right side
   12,899,290.10x = 75,928,636,166,498.28
5. Step 5: Solve for x
   x = 75,928,636,166,498.28/12,899,290.10
6. Step 6: Final answer
   x = 5,886,264.72