Finding the Fourth Proportional to 108,233.89, 149,369.39 and 60,491.05

Step by Step Solution

1. Step 1: Write the proportion equation
   108,233.89 : 149,369.39 = 60,491.05 : x
2. Step 2: Convert to fraction form
   108,233.89/149,369.39 = 60,491.05/x
3. Step 3: Cross multiply
   108,233.89x = 149,369.39 × 60,491.05
4. Step 4: Simplify right side
   108,233.89x = 9,035,510,643.34
5. Step 5: Solve for x
   x = 9,035,510,643.34/108,233.89
6. Step 6: Final answer
   x = 83,481.35