Finding the Fourth Proportional to 1,648.69, 2,274.55 and 1,059.55

Step by Step Solution

1. Step 1: Write the proportion equation
   1,648.69 : 2,274.55 = 1,059.55 : x
2. Step 2: Convert to fraction form
   1,648.69/2,274.55 = 1,059.55/x
3. Step 3: Cross multiply
   1,648.69x = 2,274.55 × 1,059.55
4. Step 4: Simplify right side
   1,648.69x = 2,409,999.45
5. Step 5: Solve for x
   x = 2,409,999.45/1,648.69
6. Step 6: Final answer
   x = 1,461.77