Finding the Fourth Proportional to 404,794.86, 558,382.72 and 261,554.91

Step by Step Solution

1. Step 1: Write the proportion equation
   404,794.86 : 558,382.72 = 261,554.91 : x
2. Step 2: Convert to fraction form
   404,794.86/558,382.72 = 261,554.91/x
3. Step 3: Cross multiply
   404,794.86x = 558,382.72 × 261,554.91
4. Step 4: Simplify right side
   404,794.86x = 146,047,742,075.16
5. Step 5: Solve for x
   x = 146,047,742,075.16/404,794.86
6. Step 6: Final answer
   x = 360,794.46