Finding the Fourth Proportional to 12,053.90, 18,077.94 and 3,288.86

Step by Step Solution

1. Step 1: Write the proportion equation
   12,053.90 : 18,077.94 = 3,288.86 : x
2. Step 2: Convert to fraction form
   12,053.90/18,077.94 = 3,288.86/x
3. Step 3: Cross multiply
   12,053.90x = 18,077.94 × 3,288.86
4. Step 4: Simplify right side
   12,053.90x = 59,455,813.75
5. Step 5: Solve for x
   x = 59,455,813.75/12,053.90
6. Step 6: Final answer
   x = 4,932.50