Finding the Fourth Proportional to 1,672,978.92, 2,509,463.34 and 474,902.28

Step by Step Solution

1. Step 1: Write the proportion equation
   1,672,978.92 : 2,509,463.34 = 474,902.28 : x
2. Step 2: Convert to fraction form
   1,672,978.92/2,509,463.34 = 474,902.28/x
3. Step 3: Cross multiply
   1,672,978.92x = 2,509,463.34 × 474,902.28
4. Step 4: Simplify right side
   1,672,978.92x = 1,191,749,861,742.42
5. Step 5: Solve for x
   x = 1,191,749,861,742.42/1,672,978.92
6. Step 6: Final answer
   x = 712,351.99