Finding the Fourth Proportional to 9,933.06, 13,706.10 and 5,740.50

Step by Step Solution

1. Step 1: Write the proportion equation
   9,933.06 : 13,706.10 = 5,740.50 : x
2. Step 2: Convert to fraction form
   9,933.06/13,706.10 = 5,740.50/x
3. Step 3: Cross multiply
   9,933.06x = 13,706.10 × 5,740.50
4. Step 4: Simplify right side
   9,933.06x = 78,679,867.05
5. Step 5: Solve for x
   x = 78,679,867.05/9,933.06
6. Step 6: Final answer
   x = 7,921.01