Finding the Fourth Proportional to 9,706.86, 13,393.66 and 5,457.37

Step by Step Solution

1. Step 1: Write the proportion equation
   9,706.86 : 13,393.66 = 5,457.37 : x
2. Step 2: Convert to fraction form
   9,706.86/13,393.66 = 5,457.37/x
3. Step 3: Cross multiply
   9,706.86x = 13,393.66 × 5,457.37
4. Step 4: Simplify right side
   9,706.86x = 73,094,158.27
5. Step 5: Solve for x
   x = 73,094,158.27/9,706.86
6. Step 6: Final answer
   x = 7,530.16