Finding the Fourth Proportional to 13,134,538,471.86, 19,733,238,466.34 and 8,422,093,131.72

Step by Step Solution

1. Step 1: Write the proportion equation
   13,134,538,471.86 : 19,733,238,466.34 = 8,422,093,131.72 : x
2. Step 2: Convert to fraction form
   13,134,538,471.86/19,733,238,466.34 = 8,422,093,131.72/x
3. Step 3: Cross multiply
   13,134,538,471.86x = 19,733,238,466.34 × 8,422,093,131.72
4. Step 4: Simplify right side
   13,134,538,471.86x = 166,195,172,153,912,918,016
5. Step 5: Solve for x
   x = 166,195,172,153,912,918,016/13,134,538,471.86
6. Step 6: Final answer
   x = 12,653,293,643.32