Finding the Fourth Proportional to 404,413, 606,566.61 and 120,097.73

Step by Step Solution

1. Step 1: Write the proportion equation
   404,413 : 606,566.61 = 120,097.73 : x
2. Step 2: Convert to fraction form
   404,413/606,566.61 = 120,097.73/x
3. Step 3: Cross multiply
   404,413x = 606,566.61 × 120,097.73
4. Step 4: Simplify right side
   404,413x = 72,847,272,954.80
5. Step 5: Solve for x
   x = 72,847,272,954.80/404,413
6. Step 6: Final answer
   x = 180,130.89