Finding the Fourth Proportional to 321,055.16, 443,055.01 and 185,088.46

Step by Step Solution

1. Step 1: Write the proportion equation
   321,055.16 : 443,055.01 = 185,088.46 : x
2. Step 2: Convert to fraction form
   321,055.16/443,055.01 = 185,088.46/x
3. Step 3: Cross multiply
   321,055.16x = 443,055.01 × 185,088.46
4. Step 4: Simplify right side
   321,055.16x = 82,004,367,925.83
5. Step 5: Solve for x
   x = 82,004,367,925.83/321,055.16
6. Step 6: Final answer
   x = 255,421.43