Finding the Fourth Proportional to 18,185.60, 25,025.28 and 16,094.72

Step by Step Solution

1. Step 1: Write the proportion equation
   18,185.60 : 25,025.28 = 16,094.72 : x
2. Step 2: Convert to fraction form
   18,185.60/25,025.28 = 16,094.72/x
3. Step 3: Cross multiply
   18,185.60x = 25,025.28 × 16,094.72
4. Step 4: Simplify right side
   18,185.60x = 402,774,874.52
5. Step 5: Solve for x
   x = 402,774,874.52/18,185.60
6. Step 6: Final answer
   x = 22,148.01