Finding the Fourth Proportional to 8,478,665,935.52, 12,719,380,398.24 and 2,503,396,118.72

Step by Step Solution

1. Step 1: Write the proportion equation
   8,478,665,935.52 : 12,719,380,398.24 = 2,503,396,118.72 : x
2. Step 2: Convert to fraction form
   8,478,665,935.52/12,719,380,398.24 = 2,503,396,118.72/x
3. Step 3: Cross multiply
   8,478,665,935.52x = 12,719,380,398.24 × 2,503,396,118.72
4. Step 4: Simplify right side
   8,478,665,935.52x = 31,841,647,521,477,259,264
5. Step 5: Solve for x
   x = 31,841,647,521,477,259,264/8,478,665,935.52
6. Step 6: Final answer
   x = 3,755,502,075.87