Finding the Fourth Proportional to 294,434,847.82, 406,336,068.83 and 168,986,040.78

Step by Step Solution

1. Step 1: Write the proportion equation
   294,434,847.82 : 406,336,068.83 = 168,986,040.78 : x
2. Step 2: Convert to fraction form
   294,434,847.82/406,336,068.83 = 168,986,040.78/x
3. Step 3: Cross multiply
   294,434,847.82x = 406,336,068.83 × 168,986,040.78
4. Step 4: Simplify right side
   294,434,847.82x = 68,665,123,498,686,104
5. Step 5: Solve for x
   x = 68,665,123,498,686,104/294,434,847.82
6. Step 6: Final answer
   x = 233,209,907.07