Finding the Fourth Proportional to 103,105.52, 154,658.12 and 28,226.30

Step by Step Solution

1. Step 1: Write the proportion equation
   103,105.52 : 154,658.12 = 28,226.30 : x
2. Step 2: Convert to fraction form
   103,105.52/154,658.12 = 28,226.30/x
3. Step 3: Cross multiply
   103,105.52x = 154,658.12 × 28,226.30
4. Step 4: Simplify right side
   103,105.52x = 4,365,426,492.56
5. Step 5: Solve for x
   x = 4,365,426,492.56/103,105.52
6. Step 6: Final answer
   x = 42,339.41