Finding the Fourth Proportional to 12,091.83, 18,135.32 and 3,770.51

Step by Step Solution

1. Step 1: Write the proportion equation
   12,091.83 : 18,135.32 = 3,770.51 : x
2. Step 2: Convert to fraction form
   12,091.83/18,135.32 = 3,770.51/x
3. Step 3: Cross multiply
   12,091.83x = 18,135.32 × 3,770.51
4. Step 4: Simplify right side
   12,091.83x = 68,379,295.88
5. Step 5: Solve for x
   x = 68,379,295.88/12,091.83
6. Step 6: Final answer
   x = 5,655.00