Finding the Fourth Proportional to 1,601.76, 2,417.88 and 1,584.48

Step by Step Solution

1. Step 1: Write the proportion equation
   1,601.76 : 2,417.88 = 1,584.48 : x
2. Step 2: Convert to fraction form
   1,601.76/2,417.88 = 1,584.48/x
3. Step 3: Cross multiply
   1,601.76x = 2,417.88 × 1,584.48
4. Step 4: Simplify right side
   1,601.76x = 3,831,082.50
5. Step 5: Solve for x
   x = 3,831,082.50/1,601.76
6. Step 6: Final answer
   x = 2,391.80