Finding the Fourth Proportional to 1,362,591,707.49, 1,880,726,418.83 and 887,466,046.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,362,591,707.49 : 1,880,726,418.83 = 887,466,046.72 : x
2. Step 2: Convert to fraction form
   1,362,591,707.49/1,880,726,418.83 = 887,466,046.72/x
3. Step 3: Cross multiply
   1,362,591,707.49x = 1,880,726,418.83 × 887,466,046.72
4. Step 4: Simplify right side
   1,362,591,707.49x = 1,669,080,839,880,712,192
5. Step 5: Solve for x
   x = 1,669,080,839,880,712,192/1,362,591,707.49
6. Step 6: Final answer
   x = 1,224,931,012.50