Finding the Fourth Proportional to 443,359.32, 611,832.06 and 242,151

Step by Step Solution

1. Step 1: Write the proportion equation
   443,359.32 : 611,832.06 = 242,151 : x
2. Step 2: Convert to fraction form
   443,359.32/611,832.06 = 242,151/x
3. Step 3: Cross multiply
   443,359.32x = 611,832.06 × 242,151
4. Step 4: Simplify right side
   443,359.32x = 148,155,745,161.06
5. Step 5: Solve for x
   x = 148,155,745,161.06/443,359.32
6. Step 6: Final answer
   x = 334,166.30