Finding the Fourth Proportional to 1,047.17, 1,445.10 and 654.32

Step by Step Solution

1. Step 1: Write the proportion equation
   1,047.17 : 1,445.10 = 654.32 : x
2. Step 2: Convert to fraction form
   1,047.17/1,445.10 = 654.32/x
3. Step 3: Cross multiply
   1,047.17x = 1,445.10 × 654.32
4. Step 4: Simplify right side
   1,047.17x = 945,557.83
5. Step 5: Solve for x
   x = 945,557.83/1,047.17
6. Step 6: Final answer
   x = 902.96