Finding the Fourth Proportional to 19,063.98, 28,742.22 and 17,777.72

Step by Step Solution

1. Step 1: Write the proportion equation
   19,063.98 : 28,742.22 = 17,777.72 : x
2. Step 2: Convert to fraction form
   19,063.98/28,742.22 = 17,777.72/x
3. Step 3: Cross multiply
   19,063.98x = 28,742.22 × 17,777.72
4. Step 4: Simplify right side
   19,063.98x = 510,970,995.63
5. Step 5: Solve for x
   x = 510,970,995.63/19,063.98
6. Step 6: Final answer
   x = 26,802.95