Finding the Fourth Proportional to 269,162,286.69, 371,444,288.46 and 145,402,963.82

Step by Step Solution

1. Step 1: Write the proportion equation
   269,162,286.69 : 371,444,288.46 = 145,402,963.82 : x
2. Step 2: Convert to fraction form
   269,162,286.69/371,444,288.46 = 145,402,963.82/x
3. Step 3: Cross multiply
   269,162,286.69x = 371,444,288.46 × 145,402,963.82
4. Step 4: Simplify right side
   269,162,286.69x = 54,009,100,435,085,456
5. Step 5: Solve for x
   x = 54,009,100,435,085,456/269,162,286.69
6. Step 6: Final answer
   x = 200,656,269.86