Finding the Fourth Proportional to 9,005.96, 13,510.38 and 3,811.88

Step by Step Solution

1. Step 1: Write the proportion equation
   9,005.96 : 13,510.38 = 3,811.88 : x
2. Step 2: Convert to fraction form
   9,005.96/13,510.38 = 3,811.88/x
3. Step 3: Cross multiply
   9,005.96x = 13,510.38 × 3,811.88
4. Step 4: Simplify right side
   9,005.96x = 51,499,947.31
5. Step 5: Solve for x
   x = 51,499,947.31/9,005.96
6. Step 6: Final answer
   x = 5,718.43