Finding the Fourth Proportional to 22,069.77, 30,455.52 and 12,636.51

Step by Step Solution

1. Step 1: Write the proportion equation
   22,069.77 : 30,455.52 = 12,636.51 : x
2. Step 2: Convert to fraction form
   22,069.77/30,455.52 = 12,636.51/x
3. Step 3: Cross multiply
   22,069.77x = 30,455.52 × 12,636.51
4. Step 4: Simplify right side
   22,069.77x = 384,851,483.04
5. Step 5: Solve for x
   x = 384,851,483.04/22,069.77
6. Step 6: Final answer
   x = 17,437.95