Finding the Fourth Proportional to 340,086,383.46, 469,304,112.72 and 189,386,813.34

Step by Step Solution

1. Step 1: Write the proportion equation
   340,086,383.46 : 469,304,112.72 = 189,386,813.34 : x
2. Step 2: Convert to fraction form
   340,086,383.46/469,304,112.72 = 189,386,813.34/x
3. Step 3: Cross multiply
   340,086,383.46x = 469,304,112.72 × 189,386,813.34
4. Step 4: Simplify right side
   340,086,383.46x = 88,880,010,395,396,960
5. Step 5: Solve for x
   x = 88,880,010,395,396,960/340,086,383.46
6. Step 6: Final answer
   x = 261,345,395.52