Finding the Fourth Proportional to 108,602.28, 149,877.36 and 60,871.05

Step by Step Solution

1. Step 1: Write the proportion equation
   108,602.28 : 149,877.36 = 60,871.05 : x
2. Step 2: Convert to fraction form
   108,602.28/149,877.36 = 60,871.05/x
3. Step 3: Cross multiply
   108,602.28x = 149,877.36 × 60,871.05
4. Step 4: Simplify right side
   108,602.28x = 9,123,192,274.43
5. Step 5: Solve for x
   x = 9,123,192,274.43/108,602.28
6. Step 6: Final answer
   x = 84,005.53