Finding the Fourth Proportional to 12,071.83, 16,658.88 and 6,620.83

Step by Step Solution

1. Step 1: Write the proportion equation
   12,071.83 : 16,658.88 = 6,620.83 : x
2. Step 2: Convert to fraction form
   12,071.83/16,658.88 = 6,620.83/x
3. Step 3: Cross multiply
   12,071.83x = 16,658.88 × 6,620.83
4. Step 4: Simplify right side
   12,071.83x = 110,295,612.47
5. Step 5: Solve for x
   x = 110,295,612.47/12,071.83
6. Step 6: Final answer
   x = 9,136.61