Finding the Fourth Proportional to 9,152.67, 12,631.25 and 5,174.46

Step by Step Solution

1. Step 1: Write the proportion equation
   9,152.67 : 12,631.25 = 5,174.46 : x
2. Step 2: Convert to fraction form
   9,152.67/12,631.25 = 5,174.46/x
3. Step 3: Cross multiply
   9,152.67x = 12,631.25 × 5,174.46
4. Step 4: Simplify right side
   9,152.67x = 65,359,897.88
5. Step 5: Solve for x
   x = 65,359,897.88/9,152.67
6. Step 6: Final answer
   x = 7,141.07