Finding the Fourth Proportional to 9,812.91, 13,541.88 and 5,336.71

Step by Step Solution

1. Step 1: Write the proportion equation
   9,812.91 : 13,541.88 = 5,336.71 : x
2. Step 2: Convert to fraction form
   9,812.91/13,541.88 = 5,336.71/x
3. Step 3: Cross multiply
   9,812.91x = 13,541.88 × 5,336.71
4. Step 4: Simplify right side
   9,812.91x = 72,268,992.02
5. Step 5: Solve for x
   x = 72,268,992.02/9,812.91
6. Step 6: Final answer
   x = 7,364.69