Finding the Fourth Proportional to 28,117.00, 42,182.79 and 8,395.56

Step by Step Solution

1. Step 1: Write the proportion equation
   28,117.00 : 42,182.79 = 8,395.56 : x
2. Step 2: Convert to fraction form
   28,117.00/42,182.79 = 8,395.56/x
3. Step 3: Cross multiply
   28,117.00x = 42,182.79 × 8,395.56
4. Step 4: Simplify right side
   28,117.00x = 354,148,144.41
5. Step 5: Solve for x
   x = 354,148,144.41/28,117.00
6. Step 6: Final answer
   x = 12,595.52