Finding the Fourth Proportional to 22,142.04, 30,555.72 and 12,070.32

Step by Step Solution

1. Step 1: Write the proportion equation
   22,142.04 : 30,555.72 = 12,070.32 : x
2. Step 2: Convert to fraction form
   22,142.04/30,555.72 = 12,070.32/x
3. Step 3: Cross multiply
   22,142.04x = 30,555.72 × 12,070.32
4. Step 4: Simplify right side
   22,142.04x = 368,817,318.23
5. Step 5: Solve for x
   x = 368,817,318.23/22,142.04
6. Step 6: Final answer
   x = 16,656.88