Finding the Fourth Proportional to 1,053,128,870.99, 1,452,618,061.81 and 677,260,665.51

Step by Step Solution

1. Step 1: Write the proportion equation
   1,053,128,870.99 : 1,452,618,061.81 = 677,260,665.51 : x
2. Step 2: Convert to fraction form
   1,053,128,870.99/1,452,618,061.81 = 677,260,665.51/x
3. Step 3: Cross multiply
   1,053,128,870.99x = 1,452,618,061.81 × 677,260,665.51
4. Step 4: Simplify right side
   1,053,128,870.99x = 983,801,075,273,286,912
5. Step 5: Solve for x
   x = 983,801,075,273,286,912/1,053,128,870.99
6. Step 6: Final answer
   x = 934,169,694.11