Finding the Fourth Proportional to 1,111,635,452.15, 1,533,959,221.69 and 635,231,280.69

Step by Step Solution

1. Step 1: Write the proportion equation
   1,111,635,452.15 : 1,533,959,221.69 = 635,231,280.69 : x
2. Step 2: Convert to fraction form
   1,111,635,452.15/1,533,959,221.69 = 635,231,280.69/x
3. Step 3: Cross multiply
   1,111,635,452.15x = 1,533,959,221.69 × 635,231,280.69
4. Step 4: Simplify right side
   1,111,635,452.15x = 974,418,880,922,978,816
5. Step 5: Solve for x
   x = 974,418,880,922,978,816/1,111,635,452.15
6. Step 6: Final answer
   x = 876,563,336.52