Finding the Fourth Proportional to 2,267,831,142.30, 3,129,606,323.19 and 1,224,789,606.30

Step by Step Solution

1. Step 1: Write the proportion equation
   2,267,831,142.30 : 3,129,606,323.19 = 1,224,789,606.30 : x
2. Step 2: Convert to fraction form
   2,267,831,142.30/3,129,606,323.19 = 1,224,789,606.30/x
3. Step 3: Cross multiply
   2,267,831,142.30x = 3,129,606,323.19 × 1,224,789,606.30
4. Step 4: Simplify right side
   2,267,831,142.30x = 3,833,109,296,453,870,592
5. Step 5: Solve for x
   x = 3,833,109,296,453,870,592/2,267,831,142.30
6. Step 6: Final answer
   x = 1,690,209,303.93