Finding the Fourth Proportional to 8,724,994.86, 13,089,454.71 and 2,660,339.63

Step by Step Solution

1. Step 1: Write the proportion equation
   8,724,994.86 : 13,089,454.71 = 2,660,339.63 : x
2. Step 2: Convert to fraction form
   8,724,994.86/13,089,454.71 = 2,660,339.63/x
3. Step 3: Cross multiply
   8,724,994.86x = 13,089,454.71 × 2,660,339.63
4. Step 4: Simplify right side
   8,724,994.86x = 34,822,395,093,717.61
5. Step 5: Solve for x
   x = 34,822,395,093,717.61/8,724,994.86
6. Step 6: Final answer
   x = 3,991,107.81