Finding the Fourth Proportional to 108,621, 149,884.83 and 60,867.45

Step by Step Solution

1. Step 1: Write the proportion equation
   108,621 : 149,884.83 = 60,867.45 : x
2. Step 2: Convert to fraction form
   108,621/149,884.83 = 60,867.45/x
3. Step 3: Cross multiply
   108,621x = 149,884.83 × 60,867.45
4. Step 4: Simplify right side
   108,621x = 9,123,107,395.78
5. Step 5: Solve for x
   x = 9,123,107,395.78/108,621
6. Step 6: Final answer
   x = 83,990.27