Finding the Fourth Proportional to 15,636.86, 21,574.59 and 10,051.10

Step by Step Solution

1. Step 1: Write the proportion equation
   15,636.86 : 21,574.59 = 10,051.10 : x
2. Step 2: Convert to fraction form
   15,636.86/21,574.59 = 10,051.10/x
3. Step 3: Cross multiply
   15,636.86x = 21,574.59 × 10,051.10
4. Step 4: Simplify right side
   15,636.86x = 216,848,361.55
5. Step 5: Solve for x
   x = 216,848,361.55/15,636.86
6. Step 6: Final answer
   x = 13,867.77