Finding the Fourth Proportional to 2,784,003,092.72, 3,840,984,059.04 and 1,578,215,067.20

Step by Step Solution

1. Step 1: Write the proportion equation
   2,784,003,092.72 : 3,840,984,059.04 = 1,578,215,067.20 : x
2. Step 2: Convert to fraction form
   2,784,003,092.72/3,840,984,059.04 = 1,578,215,067.20/x
3. Step 3: Cross multiply
   2,784,003,092.72x = 3,840,984,059.04 × 1,578,215,067.20
4. Step 4: Simplify right side
   2,784,003,092.72x = 6,061,898,914,851,942,400
5. Step 5: Solve for x
   x = 6,061,898,914,851,942,400/2,784,003,092.72
6. Step 6: Final answer
   x = 2,177,403,800.56