Finding the Fourth Proportional to 9,123.48, 12,589.26 and 5,343.84

Step by Step Solution

1. Step 1: Write the proportion equation
   9,123.48 : 12,589.26 = 5,343.84 : x
2. Step 2: Convert to fraction form
   9,123.48/12,589.26 = 5,343.84/x
3. Step 3: Cross multiply
   9,123.48x = 12,589.26 × 5,343.84
4. Step 4: Simplify right side
   9,123.48x = 67,274,991.16
5. Step 5: Solve for x
   x = 67,274,991.16/9,123.48
6. Step 6: Final answer
   x = 7,373.83