Finding the Fourth Proportional to 9,152.37, 13,730.67 and 3,887.55

Step by Step Solution

1. Step 1: Write the proportion equation
   9,152.37 : 13,730.67 = 3,887.55 : x
2. Step 2: Convert to fraction form
   9,152.37/13,730.67 = 3,887.55/x
3. Step 3: Cross multiply
   9,152.37x = 13,730.67 × 3,887.55
4. Step 4: Simplify right side
   9,152.37x = 53,378,700.49
5. Step 5: Solve for x
   x = 53,378,700.49/9,152.37
6. Step 6: Final answer
   x = 5,832.23