Finding the Fourth Proportional to 12,053.88, 18,083.52 and 4,263.30

Step by Step Solution

1. Step 1: Write the proportion equation
   12,053.88 : 18,083.52 = 4,263.30 : x
2. Step 2: Convert to fraction form
   12,053.88/18,083.52 = 4,263.30/x
3. Step 3: Cross multiply
   12,053.88x = 18,083.52 × 4,263.30
4. Step 4: Simplify right side
   12,053.88x = 77,095,470.82
5. Step 5: Solve for x
   x = 77,095,470.82/12,053.88
6. Step 6: Final answer
   x = 6,395.90