Finding the Fourth Proportional to 9,681.45, 13,360.32 and 5,432.42

Step by Step Solution

1. Step 1: Write the proportion equation
   9,681.45 : 13,360.32 = 5,432.42 : x
2. Step 2: Convert to fraction form
   9,681.45/13,360.32 = 5,432.42/x
3. Step 3: Cross multiply
   9,681.45x = 13,360.32 × 5,432.42
4. Step 4: Simplify right side
   9,681.45x = 72,578,802.77
5. Step 5: Solve for x
   x = 72,578,802.77/9,681.45
6. Step 6: Final answer
   x = 7,496.69