Finding the Fourth Proportional to 1,047.90, 1,444.53 and 654.24

Step by Step Solution

1. Step 1: Write the proportion equation
   1,047.90 : 1,444.53 = 654.24 : x
2. Step 2: Convert to fraction form
   1,047.90/1,444.53 = 654.24/x
3. Step 3: Cross multiply
   1,047.90x = 1,444.53 × 654.24
4. Step 4: Simplify right side
   1,047.90x = 945,069.31
5. Step 5: Solve for x
   x = 945,069.31/1,047.90
6. Step 6: Final answer
   x = 901.87