Finding the Fourth Proportional to 11,856.67, 17,787.71 and 4,065.01

Step by Step Solution

1. Step 1: Write the proportion equation
   11,856.67 : 17,787.71 = 4,065.01 : x
2. Step 2: Convert to fraction form
   11,856.67/17,787.71 = 4,065.01/x
3. Step 3: Cross multiply
   11,856.67x = 17,787.71 × 4,065.01
4. Step 4: Simplify right side
   11,856.67x = 72,307,219.03
5. Step 5: Solve for x
   x = 72,307,219.03/11,856.67
6. Step 6: Final answer
   x = 6,098.44