Finding the Fourth Proportional to 2,624.70, 3,931.98 and 2,003.82

Step by Step Solution

1. Step 1: Write the proportion equation
   2,624.70 : 3,931.98 = 2,003.82 : x
2. Step 2: Convert to fraction form
   2,624.70/3,931.98 = 2,003.82/x
3. Step 3: Cross multiply
   2,624.70x = 3,931.98 × 2,003.82
4. Step 4: Simplify right side
   2,624.70x = 7,878,980.16
5. Step 5: Solve for x
   x = 7,878,980.16/2,624.70
6. Step 6: Final answer
   x = 3,001.86