Finding the Fourth Proportional to 9,307.53, 12,846.42 and 5,725.57

Step by Step Solution

1. Step 1: Write the proportion equation
   9,307.53 : 12,846.42 = 5,725.57 : x
2. Step 2: Convert to fraction form
   9,307.53/12,846.42 = 5,725.57/x
3. Step 3: Cross multiply
   9,307.53x = 12,846.42 × 5,725.57
4. Step 4: Simplify right side
   9,307.53x = 73,553,076.96
5. Step 5: Solve for x
   x = 73,553,076.96/9,307.53
6. Step 6: Final answer
   x = 7,902.53