Finding the Fourth Proportional to 2,069.68, 3,104.70 and 1,030.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,069.68 : 3,104.70 = 1,030.72 : x
2. Step 2: Convert to fraction form
   2,069.68/3,104.70 = 1,030.72/x
3. Step 3: Cross multiply
   2,069.68x = 3,104.70 × 1,030.72
4. Step 4: Simplify right side
   2,069.68x = 3,200,076.38
5. Step 5: Solve for x
   x = 3,200,076.38/2,069.68
6. Step 6: Final answer
   x = 1,546.17