Finding the Fourth Proportional to 28,256.32, 42,385.56 and 9,536.68

Step by Step Solution

1. Step 1: Write the proportion equation
   28,256.32 : 42,385.56 = 9,536.68 : x
2. Step 2: Convert to fraction form
   28,256.32/42,385.56 = 9,536.68/x
3. Step 3: Cross multiply
   28,256.32x = 42,385.56 × 9,536.68
4. Step 4: Simplify right side
   28,256.32x = 404,217,522.34
5. Step 5: Solve for x
   x = 404,217,522.34/28,256.32
6. Step 6: Final answer
   x = 14,305.38