Finding the Fourth Proportional to 1,284,159,514.72, 1,772,149,200.24 and 697,448,650.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,284,159,514.72 : 1,772,149,200.24 = 697,448,650.72 : x
2. Step 2: Convert to fraction form
   1,284,159,514.72/1,772,149,200.24 = 697,448,650.72/x
3. Step 3: Cross multiply
   1,284,159,514.72x = 1,772,149,200.24 × 697,448,650.72
4. Step 4: Simplify right side
   1,284,159,514.72x = 1,235,983,068,581,915,136
5. Step 5: Solve for x
   x = 1,235,983,068,581,915,136/1,284,159,514.72
6. Step 6: Final answer
   x = 962,484,064.02