Finding the Fourth Proportional to 12,093.58, 18,147.37 and 5,072.96

Step by Step Solution

1. Step 1: Write the proportion equation
   12,093.58 : 18,147.37 = 5,072.96 : x
2. Step 2: Convert to fraction form
   12,093.58/18,147.37 = 5,072.96/x
3. Step 3: Cross multiply
   12,093.58x = 18,147.37 × 5,072.96
4. Step 4: Simplify right side
   12,093.58x = 92,060,914.80
5. Step 5: Solve for x
   x = 92,060,914.80/12,093.58
6. Step 6: Final answer
   x = 7,612.38