Finding the Fourth Proportional to 2,472,538,175.62, 3,709,380,928.57 and 814,385,956.10

Step by Step Solution

1. Step 1: Write the proportion equation
   2,472,538,175.62 : 3,709,380,928.57 = 814,385,956.10 : x
2. Step 2: Convert to fraction form
   2,472,538,175.62/3,709,380,928.57 = 814,385,956.10/x
3. Step 3: Cross multiply
   2,472,538,175.62x = 3,709,380,928.57 × 814,385,956.10
4. Step 4: Simplify right side
   2,472,538,175.62x = 3,020,867,734,032,002,560
5. Step 5: Solve for x
   x = 3,020,867,734,032,002,560/2,472,538,175.62
6. Step 6: Final answer
   x = 1,221,767,883.64