Finding the Fourth Proportional to 404,561.12, 606,641.96 and 124,010.72

Step by Step Solution

1. Step 1: Write the proportion equation
   404,561.12 : 606,641.96 = 124,010.72 : x
2. Step 2: Convert to fraction form
   404,561.12/606,641.96 = 124,010.72/x
3. Step 3: Cross multiply
   404,561.12x = 606,641.96 × 124,010.72
4. Step 4: Simplify right side
   404,561.12x = 75,230,106,241.81
5. Step 5: Solve for x
   x = 75,230,106,241.81/404,561.12
6. Step 6: Final answer
   x = 185,954.86