Finding the Fourth Proportional to 2,047.78, 3,068.28 and 1,007.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,047.78 : 3,068.28 = 1,007.50 : x
2. Step 2: Convert to fraction form
   2,047.78/3,068.28 = 1,007.50/x
3. Step 3: Cross multiply
   2,047.78x = 3,068.28 × 1,007.50
4. Step 4: Simplify right side
   2,047.78x = 3,091,292.10
5. Step 5: Solve for x
   x = 3,091,292.10/2,047.78
6. Step 6: Final answer
   x = 1,509.58