Finding the Fourth Proportional to 404,898,744.96, 607,222,578.78 and 146,080,329.48

Step by Step Solution

1. Step 1: Write the proportion equation
   404,898,744.96 : 607,222,578.78 = 146,080,329.48 : x
2. Step 2: Convert to fraction form
   404,898,744.96/607,222,578.78 = 146,080,329.48/x
3. Step 3: Cross multiply
   404,898,744.96x = 607,222,578.78 × 146,080,329.48
4. Step 4: Simplify right side
   404,898,744.96x = 88,703,274,375,877,648
5. Step 5: Solve for x
   x = 88,703,274,375,877,648/404,898,744.96
6. Step 6: Final answer
   x = 219,075,202.08