Finding the Fourth Proportional to 2,047.90, 3,073.20 and 1,007.86

Step by Step Solution

1. Step 1: Write the proportion equation
   2,047.90 : 3,073.20 = 1,007.86 : x
2. Step 2: Convert to fraction form
   2,047.90/3,073.20 = 1,007.86/x
3. Step 3: Cross multiply
   2,047.90x = 3,073.20 × 1,007.86
4. Step 4: Simplify right side
   2,047.90x = 3,097,355.35
5. Step 5: Solve for x
   x = 3,097,355.35/2,047.90
6. Step 6: Final answer
   x = 1,512.45