Finding the Fourth Proportional to 108,690.29, 149,990.69 and 60,943.49

Step by Step Solution

1. Step 1: Write the proportion equation
   108,690.29 : 149,990.69 = 60,943.49 : x
2. Step 2: Convert to fraction form
   108,690.29/149,990.69 = 60,943.49/x
3. Step 3: Cross multiply
   108,690.29x = 149,990.69 × 60,943.49
4. Step 4: Simplify right side
   108,690.29x = 9,140,955,061.44
5. Step 5: Solve for x
   x = 9,140,955,061.44/108,690.29
6. Step 6: Final answer
   x = 84,100.94