Finding the Fourth Proportional to 2,901.56, 3,997.50 and 2,381

Step by Step Solution

1. Step 1: Write the proportion equation
   2,901.56 : 3,997.50 = 2,381 : x
2. Step 2: Convert to fraction form
   2,901.56/3,997.50 = 2,381/x
3. Step 3: Cross multiply
   2,901.56x = 3,997.50 × 2,381
4. Step 4: Simplify right side
   2,901.56x = 9,518,047.50
5. Step 5: Solve for x
   x = 9,518,047.50/2,901.56
6. Step 6: Final answer
   x = 3,280.32