Finding the Fourth Proportional to 2,070,665,692.52, 2,857,589,170.10 and 1,224,618,263.53

Step by Step Solution

1. Step 1: Write the proportion equation
   2,070,665,692.52 : 2,857,589,170.10 = 1,224,618,263.53 : x
2. Step 2: Convert to fraction form
   2,070,665,692.52/2,857,589,170.10 = 1,224,618,263.53/x
3. Step 3: Cross multiply
   2,070,665,692.52x = 2,857,589,170.10 × 1,224,618,263.53
4. Step 4: Simplify right side
   2,070,665,692.52x = 3,499,455,887,367,994,880
5. Step 5: Solve for x
   x = 3,499,455,887,367,994,880/2,070,665,692.52
6. Step 6: Final answer
   x = 1,690,014,906.81