Finding the Fourth Proportional to 12,868,540,181.61, 17,758,132,513.16 and 7,074,801,404.43

Step by Step Solution

1. Step 1: Write the proportion equation
   12,868,540,181.61 : 17,758,132,513.16 = 7,074,801,404.43 : x
2. Step 2: Convert to fraction form
   12,868,540,181.61/17,758,132,513.16 = 7,074,801,404.43/x
3. Step 3: Cross multiply
   12,868,540,181.61x = 17,758,132,513.16 × 7,074,801,404.43
4. Step 4: Simplify right side
   12,868,540,181.61x = 125,635,260,844,199,231,488
5. Step 5: Solve for x
   x = 125,635,260,844,199,231,488/12,868,540,181.61
6. Step 6: Final answer
   x = 9,762,976,924.44