Finding the Fourth Proportional to 728,647,109.52, 1,091,826,737.60 and 495,588,973.44

Step by Step Solution

1. Step 1: Write the proportion equation
   728,647,109.52 : 1,091,826,737.60 = 495,588,973.44 : x
2. Step 2: Convert to fraction form
   728,647,109.52/1,091,826,737.60 = 495,588,973.44/x
3. Step 3: Cross multiply
   728,647,109.52x = 1,091,826,737.60 × 495,588,973.44
4. Step 4: Simplify right side
   728,647,109.52x = 541,097,292,061,528,192
5. Step 5: Solve for x
   x = 541,097,292,061,528,192/728,647,109.52
6. Step 6: Final answer
   x = 742,605,418.99