Finding the Fourth Proportional to 10,211.59, 14,091.72 and 5,735.12

Step by Step Solution

1. Step 1: Write the proportion equation
   10,211.59 : 14,091.72 = 5,735.12 : x
2. Step 2: Convert to fraction form
   10,211.59/14,091.72 = 5,735.12/x
3. Step 3: Cross multiply
   10,211.59x = 14,091.72 × 5,735.12
4. Step 4: Simplify right side
   10,211.59x = 80,817,705.21
5. Step 5: Solve for x
   x = 80,817,705.21/10,211.59
6. Step 6: Final answer
   x = 7,914.32