Finding the Fourth Proportional to 22,142.06, 30,556.06 and 12,070.50

Step by Step Solution

1. Step 1: Write the proportion equation
   22,142.06 : 30,556.06 = 12,070.50 : x
2. Step 2: Convert to fraction form
   22,142.06/30,556.06 = 12,070.50/x
3. Step 3: Cross multiply
   22,142.06x = 30,556.06 × 12,070.50
4. Step 4: Simplify right side
   22,142.06x = 368,826,922.23
5. Step 5: Solve for x
   x = 368,826,922.23/22,142.06
6. Step 6: Final answer
   x = 16,657.30