Finding the Fourth Proportional to 16,300.63, 22,504.80 and 15,295.42

Step by Step Solution

1. Step 1: Write the proportion equation
   16,300.63 : 22,504.80 = 15,295.42 : x
2. Step 2: Convert to fraction form
   16,300.63/22,504.80 = 15,295.42/x
3. Step 3: Cross multiply
   16,300.63x = 22,504.80 × 15,295.42
4. Step 4: Simplify right side
   16,300.63x = 344,220,368.02
5. Step 5: Solve for x
   x = 344,220,368.02/16,300.63
6. Step 6: Final answer
   x = 21,117.00