Finding the Fourth Proportional to 19,602.23, 27,055.35 and 12,055.05

Step by Step Solution

1. Step 1: Write the proportion equation
   19,602.23 : 27,055.35 = 12,055.05 : x
2. Step 2: Convert to fraction form
   19,602.23/27,055.35 = 12,055.05/x
3. Step 3: Cross multiply
   19,602.23x = 27,055.35 × 12,055.05
4. Step 4: Simplify right side
   19,602.23x = 326,153,597.02
5. Step 5: Solve for x
   x = 326,153,597.02/19,602.23
6. Step 6: Final answer
   x = 16,638.60