Finding the Fourth Proportional to 2,599,755,524.78, 3,587,662,624.55 and 1,485,945,533.75

Step by Step Solution

1. Step 1: Write the proportion equation
   2,599,755,524.78 : 3,587,662,624.55 = 1,485,945,533.75 : x
2. Step 2: Convert to fraction form
   2,599,755,524.78/3,587,662,624.55 = 1,485,945,533.75/x
3. Step 3: Cross multiply
   2,599,755,524.78x = 3,587,662,624.55 × 1,485,945,533.75
4. Step 4: Simplify right side
   2,599,755,524.78x = 5,331,071,253,526,507,520
5. Step 5: Solve for x
   x = 5,331,071,253,526,507,520/2,599,755,524.78
6. Step 6: Final answer
   x = 2,050,604,836.77