Finding the Fourth Proportional to 2,016.48, 3,026.34 and 784.47

Step by Step Solution

1. Step 1: Write the proportion equation
   2,016.48 : 3,026.34 = 784.47 : x
2. Step 2: Convert to fraction form
   2,016.48/3,026.34 = 784.47/x
3. Step 3: Cross multiply
   2,016.48x = 3,026.34 × 784.47
4. Step 4: Simplify right side
   2,016.48x = 2,374,072.94
5. Step 5: Solve for x
   x = 2,374,072.94/2,016.48
6. Step 6: Final answer
   x = 1,177.34