Finding the Fourth Proportional to 192,788,638, 266,055,948.83 and 108,016,488.15

Step by Step Solution

1. Step 1: Write the proportion equation
   192,788,638 : 266,055,948.83 = 108,016,488.15 : x
2. Step 2: Convert to fraction form
   192,788,638/266,055,948.83 = 108,016,488.15/x
3. Step 3: Cross multiply
   192,788,638x = 266,055,948.83 × 108,016,488.15
4. Step 4: Simplify right side
   192,788,638x = 28,738,429,244,032,704
5. Step 5: Solve for x
   x = 28,738,429,244,032,704/192,788,638
6. Step 6: Final answer
   x = 149,067,027.72