Finding the Fourth Proportional to 108,225.34, 149,357.94 and 60,478.96

Step by Step Solution

1. Step 1: Write the proportion equation
   108,225.34 : 149,357.94 = 60,478.96 : x
2. Step 2: Convert to fraction form
   108,225.34/149,357.94 = 60,478.96/x
3. Step 3: Cross multiply
   108,225.34x = 149,357.94 × 60,478.96
4. Step 4: Simplify right side
   108,225.34x = 9,033,012,878.94
5. Step 5: Solve for x
   x = 9,033,012,878.94/108,225.34
6. Step 6: Final answer
   x = 83,464.86