Finding the Fourth Proportional to 401,870.64, 555,041.77 and 264,662.92

Step by Step Solution

1. Step 1: Write the proportion equation
   401,870.64 : 555,041.77 = 264,662.92 : x
2. Step 2: Convert to fraction form
   401,870.64/555,041.77 = 264,662.92/x
3. Step 3: Cross multiply
   401,870.64x = 555,041.77 × 264,662.92
4. Step 4: Simplify right side
   401,870.64x = 146,898,974,730.34
5. Step 5: Solve for x
   x = 146,898,974,730.34/401,870.64
6. Step 6: Final answer
   x = 365,537.96