Finding the Fourth Proportional to 12,883.86, 19,328.22 and 4,116.42

Step by Step Solution

1. Step 1: Write the proportion equation
   12,883.86 : 19,328.22 = 4,116.42 : x
2. Step 2: Convert to fraction form
   12,883.86/19,328.22 = 4,116.42/x
3. Step 3: Cross multiply
   12,883.86x = 19,328.22 × 4,116.42
4. Step 4: Simplify right side
   12,883.86x = 79,563,071.37
5. Step 5: Solve for x
   x = 79,563,071.37/12,883.86
6. Step 6: Final answer
   x = 6,175.41