Finding the Fourth Proportional to 12,734.01, 19,051.61 and 11,162.21

Step by Step Solution

1. Step 1: Write the proportion equation
   12,734.01 : 19,051.61 = 11,162.21 : x
2. Step 2: Convert to fraction form
   12,734.01/19,051.61 = 11,162.21/x
3. Step 3: Cross multiply
   12,734.01x = 19,051.61 × 11,162.21
4. Step 4: Simplify right side
   12,734.01x = 212,657,920.59
5. Step 5: Solve for x
   x = 212,657,920.59/12,734.01
6. Step 6: Final answer
   x = 16,700.00