Finding the Fourth Proportional to 2,003.70, 3,003.87 and 848.70

Step by Step Solution

1. Step 1: Write the proportion equation
   2,003.70 : 3,003.87 = 848.70 : x
2. Step 2: Convert to fraction form
   2,003.70/3,003.87 = 848.70/x
3. Step 3: Cross multiply
   2,003.70x = 3,003.87 × 848.70
4. Step 4: Simplify right side
   2,003.70x = 2,549,384.47
5. Step 5: Solve for x
   x = 2,549,384.47/2,003.70
6. Step 6: Final answer
   x = 1,272.34