Finding the Fourth Proportional to 108,256.96, 149,383.20 and 62,926.72

Step by Step Solution

1. Step 1: Write the proportion equation
   108,256.96 : 149,383.20 = 62,926.72 : x
2. Step 2: Convert to fraction form
   108,256.96/149,383.20 = 62,926.72/x
3. Step 3: Cross multiply
   108,256.96x = 149,383.20 × 62,926.72
4. Step 4: Simplify right side
   108,256.96x = 9,400,194,799.10
5. Step 5: Solve for x
   x = 9,400,194,799.10/108,256.96
6. Step 6: Final answer
   x = 86,832.24