Finding the Fourth Proportional to 2,264,277,978.12, 3,124,697,209.38 and 1,274,203,385.40

Step by Step Solution

1. Step 1: Write the proportion equation
   2,264,277,978.12 : 3,124,697,209.38 = 1,274,203,385.40 : x
2. Step 2: Convert to fraction form
   2,264,277,978.12/3,124,697,209.38 = 1,274,203,385.40/x
3. Step 3: Cross multiply
   2,264,277,978.12x = 3,124,697,209.38 × 1,274,203,385.40
4. Step 4: Simplify right side
   2,264,277,978.12x = 3,981,499,762,541,928,960
5. Step 5: Solve for x
   x = 3,981,499,762,541,928,960/2,264,277,978.12
6. Step 6: Final answer
   x = 1,758,397,070.07