Finding the Fourth Proportional to 108,052.47, 148,933.93 and 72,229.41

Step by Step Solution

1. Step 1: Write the proportion equation
   108,052.47 : 148,933.93 = 72,229.41 : x
2. Step 2: Convert to fraction form
   108,052.47/148,933.93 = 72,229.41/x
3. Step 3: Cross multiply
   108,052.47x = 148,933.93 × 72,229.41
4. Step 4: Simplify right side
   108,052.47x = 10,757,409,892.88
5. Step 5: Solve for x
   x = 10,757,409,892.88/108,052.47
6. Step 6: Final answer
   x = 99,557.28