Finding the Fourth Proportional to 9,691.56, 13,374.32 and 5,442.03

Step by Step Solution

1. Step 1: Write the proportion equation
   9,691.56 : 13,374.32 = 5,442.03 : x
2. Step 2: Convert to fraction form
   9,691.56/13,374.32 = 5,442.03/x
3. Step 3: Cross multiply
   9,691.56x = 13,374.32 × 5,442.03
4. Step 4: Simplify right side
   9,691.56x = 72,783,423.46
5. Step 5: Solve for x
   x = 72,783,423.46/9,691.56
6. Step 6: Final answer
   x = 7,509.98