Finding the Fourth Proportional to 108,434.01, 149,638.90 and 60,687.35

Step by Step Solution

1. Step 1: Write the proportion equation
   108,434.01 : 149,638.90 = 60,687.35 : x
2. Step 2: Convert to fraction form
   108,434.01/149,638.90 = 60,687.35/x
3. Step 3: Cross multiply
   108,434.01x = 149,638.90 × 60,687.35
4. Step 4: Simplify right side
   108,434.01x = 9,081,188,297.92
5. Step 5: Solve for x
   x = 9,081,188,297.92/108,434.01
6. Step 6: Final answer
   x = 83,748.52