Finding the Fourth Proportional to 493,222.02, 739,388.72 and 177,456.76

Step by Step Solution

1. Step 1: Write the proportion equation
   493,222.02 : 739,388.72 = 177,456.76 : x
2. Step 2: Convert to fraction form
   493,222.02/739,388.72 = 177,456.76/x
3. Step 3: Cross multiply
   493,222.02x = 739,388.72 × 177,456.76
4. Step 4: Simplify right side
   493,222.02x = 131,209,526,631.75
5. Step 5: Solve for x
   x = 131,209,526,631.75/493,222.02
6. Step 6: Final answer
   x = 266,025.28