Finding the Fourth Proportional to 1,098.74, 1,516.28 and 601.43

Step by Step Solution

1. Step 1: Write the proportion equation
   1,098.74 : 1,516.28 = 601.43 : x
2. Step 2: Convert to fraction form
   1,098.74/1,516.28 = 601.43/x
3. Step 3: Cross multiply
   1,098.74x = 1,516.28 × 601.43
4. Step 4: Simplify right side
   1,098.74x = 911,925.69
5. Step 5: Solve for x
   x = 911,925.69/1,098.74
6. Step 6: Final answer
   x = 829.98