Finding the Fourth Proportional to 2,301,209,060.78, 3,451,435,677.55 and 990,758,310.86

Step by Step Solution

1. Step 1: Write the proportion equation
   2,301,209,060.78 : 3,451,435,677.55 = 990,758,310.86 : x
2. Step 2: Convert to fraction form
   2,301,209,060.78/3,451,435,677.55 = 990,758,310.86/x
3. Step 3: Cross multiply
   2,301,209,060.78x = 3,451,435,677.55 × 990,758,310.86
4. Step 4: Simplify right side
   2,301,209,060.78x = 3,419,538,581,941,194,752
5. Step 5: Solve for x
   x = 3,419,538,581,941,194,752/2,301,209,060.78
6. Step 6: Final answer
   x = 1,485,974,760.06