Finding the Fourth Proportional to 16,059.59, 22,147.51 and 13,790.16

Step by Step Solution

1. Step 1: Write the proportion equation
   16,059.59 : 22,147.51 = 13,790.16 : x
2. Step 2: Convert to fraction form
   16,059.59/22,147.51 = 13,790.16/x
3. Step 3: Cross multiply
   16,059.59x = 22,147.51 × 13,790.16
4. Step 4: Simplify right side
   16,059.59x = 305,417,526.81
5. Step 5: Solve for x
   x = 305,417,526.81/16,059.59
6. Step 6: Final answer
   x = 19,017.77