Finding the Fourth Proportional to 108,066.78, 149,134.50 and 59,668.54

Step by Step Solution

1. Step 1: Write the proportion equation
   108,066.78 : 149,134.50 = 59,668.54 : x
2. Step 2: Convert to fraction form
   108,066.78/149,134.50 = 59,668.54/x
3. Step 3: Cross multiply
   108,066.78x = 149,134.50 × 59,668.54
4. Step 4: Simplify right side
   108,066.78x = 8,898,637,878.63
5. Step 5: Solve for x
   x = 8,898,637,878.63/108,066.78
6. Step 6: Final answer
   x = 82,343.88