Finding the Fourth Proportional to 1,784.71, 2,462.62 and 998.60

Step by Step Solution

1. Step 1: Write the proportion equation
   1,784.71 : 2,462.62 = 998.60 : x
2. Step 2: Convert to fraction form
   1,784.71/2,462.62 = 998.60/x
3. Step 3: Cross multiply
   1,784.71x = 2,462.62 × 998.60
4. Step 4: Simplify right side
   1,784.71x = 2,459,167.34
5. Step 5: Solve for x
   x = 2,459,167.34/1,784.71
6. Step 6: Final answer
   x = 1,377.91