Finding the Fourth Proportional to 95,485.59, 143,235.69 and 28,931.25

Step by Step Solution

1. Step 1: Write the proportion equation
   95,485.59 : 143,235.69 = 28,931.25 : x
2. Step 2: Convert to fraction form
   95,485.59/143,235.69 = 28,931.25/x
3. Step 3: Cross multiply
   95,485.59x = 143,235.69 × 28,931.25
4. Step 4: Simplify right side
   95,485.59x = 4,143,987,556.31
5. Step 5: Solve for x
   x = 4,143,987,556.31/95,485.59
6. Step 6: Final answer
   x = 43,399.09