Finding the Fourth Proportional to 13,317.98, 18,385.46 and 8,283.82

Step by Step Solution

1. Step 1: Write the proportion equation
   13,317.98 : 18,385.46 = 8,283.82 : x
2. Step 2: Convert to fraction form
   13,317.98/18,385.46 = 8,283.82/x
3. Step 3: Cross multiply
   13,317.98x = 18,385.46 × 8,283.82
4. Step 4: Simplify right side
   13,317.98x = 152,301,796.11
5. Step 5: Solve for x
   x = 152,301,796.11/13,317.98
6. Step 6: Final answer
   x = 11,435.80