Finding the Fourth Proportional to 9,672.94, 13,348.52 and 5,423.98

Step by Step Solution

1. Step 1: Write the proportion equation
   9,672.94 : 13,348.52 = 5,423.98 : x
2. Step 2: Convert to fraction form
   9,672.94/13,348.52 = 5,423.98/x
3. Step 3: Cross multiply
   9,672.94x = 13,348.52 × 5,423.98
4. Step 4: Simplify right side
   9,672.94x = 72,402,105.51
5. Step 5: Solve for x
   x = 72,402,105.51/9,672.94
6. Step 6: Final answer
   x = 7,485.02