Finding the Fourth Proportional to 203,185,081.83, 280,418,673.78 and 113,901,140.69

Step by Step Solution

1. Step 1: Write the proportion equation
   203,185,081.83 : 280,418,673.78 = 113,901,140.69 : x
2. Step 2: Convert to fraction form
   203,185,081.83/280,418,673.78 = 113,901,140.69/x
3. Step 3: Cross multiply
   203,185,081.83x = 280,418,673.78 × 113,901,140.69
4. Step 4: Simplify right side
   203,185,081.83x = 31,940,006,813,891,864
5. Step 5: Solve for x
   x = 31,940,006,813,891,864/203,185,081.83
6. Step 6: Final answer
   x = 157,196,613.68