Finding the Fourth Proportional to 300,127,151.46, 414,218,967.18 and 172,943,086.05

Step by Step Solution

1. Step 1: Write the proportion equation
   300,127,151.46 : 414,218,967.18 = 172,943,086.05 : x
2. Step 2: Convert to fraction form
   300,127,151.46/414,218,967.18 = 172,943,086.05/x
3. Step 3: Cross multiply
   300,127,151.46x = 414,218,967.18 × 172,943,086.05
4. Step 4: Simplify right side
   300,127,151.46x = 71,636,306,484,552,872
5. Step 5: Solve for x
   x = 71,636,306,484,552,872/300,127,151.46
6. Step 6: Final answer
   x = 238,686,523.82