Finding the Fourth Proportional to 404,054.64, 605,950.74 and 190,789.56

Step by Step Solution

1. Step 1: Write the proportion equation
   404,054.64 : 605,950.74 = 190,789.56 : x
2. Step 2: Convert to fraction form
   404,054.64/605,950.74 = 190,789.56/x
3. Step 3: Cross multiply
   404,054.64x = 605,950.74 × 190,789.56
4. Step 4: Simplify right side
   404,054.64x = 115,609,075,066.27
5. Step 5: Solve for x
   x = 115,609,075,066.27/404,054.64
6. Step 6: Final answer
   x = 286,122.38