Finding the Fourth Proportional to 11,994,176.28, 17,991,249.86 and 3,907,138.72

Step by Step Solution

1. Step 1: Write the proportion equation
   11,994,176.28 : 17,991,249.86 = 3,907,138.72 : x
2. Step 2: Convert to fraction form
   11,994,176.28/17,991,249.86 = 3,907,138.72/x
3. Step 3: Cross multiply
   11,994,176.28x = 17,991,249.86 × 3,907,138.72
4. Step 4: Simplify right side
   11,994,176.28x = 70,294,308,949,200.58
5. Step 5: Solve for x
   x = 70,294,308,949,200.58/11,994,176.28
6. Step 6: Final answer
   x = 5,860,703.34