Finding the Fourth Proportional to 2,003.81, 2,985.98 and 1,947.38

Step by Step Solution

1. Step 1: Write the proportion equation
   2,003.81 : 2,985.98 = 1,947.38 : x
2. Step 2: Convert to fraction form
   2,003.81/2,985.98 = 1,947.38/x
3. Step 3: Cross multiply
   2,003.81x = 2,985.98 × 1,947.38
4. Step 4: Simplify right side
   2,003.81x = 5,814,813.07
5. Step 5: Solve for x
   x = 5,814,813.07/2,003.81
6. Step 6: Final answer
   x = 2,901.89