Finding the Fourth Proportional to 28,111.52, 38,793.94 and 15,536.27

Step by Step Solution

1. Step 1: Write the proportion equation
   28,111.52 : 38,793.94 = 15,536.27 : x
2. Step 2: Convert to fraction form
   28,111.52/38,793.94 = 15,536.27/x
3. Step 3: Cross multiply
   28,111.52x = 38,793.94 × 15,536.27
4. Step 4: Simplify right side
   28,111.52x = 602,713,184.35
5. Step 5: Solve for x
   x = 602,713,184.35/28,111.52
6. Step 6: Final answer
   x = 21,440.08