Finding the Fourth Proportional to 108,489.89, 149,707.72 and 60,736.74

Step by Step Solution

1. Step 1: Write the proportion equation
   108,489.89 : 149,707.72 = 60,736.74 : x
2. Step 2: Convert to fraction form
   108,489.89/149,707.72 = 60,736.74/x
3. Step 3: Cross multiply
   108,489.89x = 149,707.72 × 60,736.74
4. Step 4: Simplify right side
   108,489.89x = 9,092,758,865.63
5. Step 5: Solve for x
   x = 9,092,758,865.63/108,489.89
6. Step 6: Final answer
   x = 83,812.04