Finding the Fourth Proportional to 1,098.76, 1,516.25 and 601.38

Step by Step Solution

1. Step 1: Write the proportion equation
   1,098.76 : 1,516.25 = 601.38 : x
2. Step 2: Convert to fraction form
   1,098.76/1,516.25 = 601.38/x
3. Step 3: Cross multiply
   1,098.76x = 1,516.25 × 601.38
4. Step 4: Simplify right side
   1,098.76x = 911,842.43
5. Step 5: Solve for x
   x = 911,842.43/1,098.76
6. Step 6: Final answer
   x = 829.88