Finding the Fourth Proportional to 6,969,108.64, 10,451,796.72 and 1,919,218.72

Step by Step Solution

1. Step 1: Write the proportion equation
   6,969,108.64 : 10,451,796.72 = 1,919,218.72 : x
2. Step 2: Convert to fraction form
   6,969,108.64/10,451,796.72 = 1,919,218.72/x
3. Step 3: Cross multiply
   6,969,108.64x = 10,451,796.72 × 1,919,218.72
4. Step 4: Simplify right side
   6,969,108.64x = 20,059,283,922,658.60
5. Step 5: Solve for x
   x = 20,059,283,922,658.60/6,969,108.64
6. Step 6: Final answer
   x = 2,878,314.14