Finding the Fourth Proportional to 16,051.16, 22,105.00 and 15,707.72

Step by Step Solution

1. Step 1: Write the proportion equation
   16,051.16 : 22,105.00 = 15,707.72 : x
2. Step 2: Convert to fraction form
   16,051.16/22,105.00 = 15,707.72/x
3. Step 3: Cross multiply
   16,051.16x = 22,105.00 × 15,707.72
4. Step 4: Simplify right side
   16,051.16x = 347,219,225.50
5. Step 5: Solve for x
   x = 347,219,225.50/16,051.16
6. Step 6: Final answer
   x = 21,632.03