Finding the Fourth Proportional to 108,051.54, 149,119.56 and 60,312.05

Step by Step Solution

1. Step 1: Write the proportion equation
   108,051.54 : 149,119.56 = 60,312.05 : x
2. Step 2: Convert to fraction form
   108,051.54/149,119.56 = 60,312.05/x
3. Step 3: Cross multiply
   108,051.54x = 149,119.56 × 60,312.05
4. Step 4: Simplify right side
   108,051.54x = 8,993,705,613.10
5. Step 5: Solve for x
   x = 8,993,705,613.10/108,051.54
6. Step 6: Final answer
   x = 83,235.33