Finding the Fourth Proportional to 1,099.19, 1,516.86 and 601.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,099.19 : 1,516.86 = 601.82 : x
2. Step 2: Convert to fraction form
   1,099.19/1,516.86 = 601.82/x
3. Step 3: Cross multiply
   1,099.19x = 1,516.86 × 601.82
4. Step 4: Simplify right side
   1,099.19x = 912,876.69
5. Step 5: Solve for x
   x = 912,876.69/1,099.19
6. Step 6: Final answer
   x = 830.50