Finding the Fourth Proportional to 1,490.52, 2,235.69 and 464.52

Step by Step Solution

1. Step 1: Write the proportion equation
   1,490.52 : 2,235.69 = 464.52 : x
2. Step 2: Convert to fraction form
   1,490.52/2,235.69 = 464.52/x
3. Step 3: Cross multiply
   1,490.52x = 2,235.69 × 464.52
4. Step 4: Simplify right side
   1,490.52x = 1,038,522.72
5. Step 5: Solve for x
   x = 1,038,522.72/1,490.52
6. Step 6: Final answer
   x = 696.75