Finding the Fourth Proportional to 3,415.02, 5,123.31 and 1,467.78

Step by Step Solution

1. Step 1: Write the proportion equation
   3,415.02 : 5,123.31 = 1,467.78 : x
2. Step 2: Convert to fraction form
   3,415.02/5,123.31 = 1,467.78/x
3. Step 3: Cross multiply
   3,415.02x = 5,123.31 × 1,467.78
4. Step 4: Simplify right side
   3,415.02x = 7,519,891.95
5. Step 5: Solve for x
   x = 7,519,891.95/3,415.02
6. Step 6: Final answer
   x = 2,202.01