Finding the Fourth Proportional to 1,461.58, 2,196.15 and 1,098.70

Step by Step Solution

1. Step 1: Write the proportion equation
   1,461.58 : 2,196.15 = 1,098.70 : x
2. Step 2: Convert to fraction form
   1,461.58/2,196.15 = 1,098.70/x
3. Step 3: Cross multiply
   1,461.58x = 2,196.15 × 1,098.70
4. Step 4: Simplify right side
   1,461.58x = 2,412,910.01
5. Step 5: Solve for x
   x = 2,412,910.01/1,461.58
6. Step 6: Final answer
   x = 1,650.89