Finding the Fourth Proportional to 401,875.47, 555,048.42 and 264,667.75

Step by Step Solution

1. Step 1: Write the proportion equation
   401,875.47 : 555,048.42 = 264,667.75 : x
2. Step 2: Convert to fraction form
   401,875.47/555,048.42 = 264,667.75/x
3. Step 3: Cross multiply
   401,875.47x = 555,048.42 × 264,667.75
4. Step 4: Simplify right side
   401,875.47x = 146,903,416,462.46
5. Step 5: Solve for x
   x = 146,903,416,462.46/401,875.47
6. Step 6: Final answer
   x = 365,544.62