Finding the Fourth Proportional to 300,828,131.98, 415,043,586.51 and 181,706,214.12

Step by Step Solution

1. Step 1: Write the proportion equation
   300,828,131.98 : 415,043,586.51 = 181,706,214.12 : x
2. Step 2: Convert to fraction form
   300,828,131.98/415,043,586.51 = 181,706,214.12/x
3. Step 3: Cross multiply
   300,828,131.98x = 415,043,586.51 × 181,706,214.12
4. Step 4: Simplify right side
   300,828,131.98x = 75,415,998,798,304,000
5. Step 5: Solve for x
   x = 75,415,998,798,304,000/300,828,131.98
6. Step 6: Final answer
   x = 250,694,635.18