Finding the Fourth Proportional to 110,328.94, 152,230.71 and 72,144.46

Step by Step Solution

1. Step 1: Write the proportion equation
   110,328.94 : 152,230.71 = 72,144.46 : x
2. Step 2: Convert to fraction form
   110,328.94/152,230.71 = 72,144.46/x
3. Step 3: Cross multiply
   110,328.94x = 152,230.71 × 72,144.46
4. Step 4: Simplify right side
   110,328.94x = 10,982,602,368.37
5. Step 5: Solve for x
   x = 10,982,602,368.37/110,328.94
6. Step 6: Final answer
   x = 99,544.17