Finding the Fourth Proportional to 10,612,978.35, 15,922,590.89 and 3,424,377.39

Step by Step Solution

1. Step 1: Write the proportion equation
   10,612,978.35 : 15,922,590.89 = 3,424,377.39 : x
2. Step 2: Convert to fraction form
   10,612,978.35/15,922,590.89 = 3,424,377.39/x
3. Step 3: Cross multiply
   10,612,978.35x = 15,922,590.89 × 3,424,377.39
4. Step 4: Simplify right side
   10,612,978.35x = 54,524,960,216,814.09
5. Step 5: Solve for x
   x = 54,524,960,216,814.09/10,612,978.35
6. Step 6: Final answer
   x = 5,137,573.87