Finding the Fourth Proportional to 108,234.08, 149,357.46 and 60,478.10

Step by Step Solution

1. Step 1: Write the proportion equation
   108,234.08 : 149,357.46 = 60,478.10 : x
2. Step 2: Convert to fraction form
   108,234.08/149,357.46 = 60,478.10/x
3. Step 3: Cross multiply
   108,234.08x = 149,357.46 × 60,478.10
4. Step 4: Simplify right side
   108,234.08x = 9,032,855,401.63
5. Step 5: Solve for x
   x = 9,032,855,401.63/108,234.08
6. Step 6: Final answer
   x = 83,456.67