Finding the Fourth Proportional to 1,284,166,903.47, 1,772,159,396.72 and 697,456,039.47

Step by Step Solution

1. Step 1: Write the proportion equation
   1,284,166,903.47 : 1,772,159,396.72 = 697,456,039.47 : x
2. Step 2: Convert to fraction form
   1,284,166,903.47/1,772,159,396.72 = 697,456,039.47/x
3. Step 3: Cross multiply
   1,284,166,903.47x = 1,772,159,396.72 × 697,456,039.47
4. Step 4: Simplify right side
   1,284,166,903.47x = 1,236,003,274,142,388,480
5. Step 5: Solve for x
   x = 1,236,003,274,142,388,480/1,284,166,903.47
6. Step 6: Final answer
   x = 962,494,260.52