Finding the Fourth Proportional to 9,123.37, 13,710.70 and 5,426.26

Step by Step Solution

1. Step 1: Write the proportion equation
   9,123.37 : 13,710.70 = 5,426.26 : x
2. Step 2: Convert to fraction form
   9,123.37/13,710.70 = 5,426.26/x
3. Step 3: Cross multiply
   9,123.37x = 13,710.70 × 5,426.26
4. Step 4: Simplify right side
   9,123.37x = 74,397,822.98
5. Step 5: Solve for x
   x = 74,397,822.98/9,123.37
6. Step 6: Final answer
   x = 8,154.64