Finding the Fourth Proportional to 3,930,411.86, 5,424,215.60 and 2,381,809.13

Step by Step Solution

1. Step 1: Write the proportion equation
   3,930,411.86 : 5,424,215.60 = 2,381,809.13 : x
2. Step 2: Convert to fraction form
   3,930,411.86/5,424,215.60 = 2,381,809.13/x
3. Step 3: Cross multiply
   3,930,411.86x = 5,424,215.60 × 2,381,809.13
4. Step 4: Simplify right side
   3,930,411.86x = 12,919,446,227,259.38
5. Step 5: Solve for x
   x = 12,919,446,227,259.38/3,930,411.86
6. Step 6: Final answer
   x = 3,287,046.42