Finding the Fourth Proportional to 9,681.84, 13,361.48 and 5,434.25

Step by Step Solution

1. Step 1: Write the proportion equation
   9,681.84 : 13,361.48 = 5,434.25 : x
2. Step 2: Convert to fraction form
   9,681.84/13,361.48 = 5,434.25/x
3. Step 3: Cross multiply
   9,681.84x = 13,361.48 × 5,434.25
4. Step 4: Simplify right side
   9,681.84x = 72,609,528.71
5. Step 5: Solve for x
   x = 72,609,528.71/9,681.84
6. Step 6: Final answer
   x = 7,499.56