Finding the Fourth Proportional to 110,592.28, 152,570.04 and 72,285.28

Step by Step Solution

1. Step 1: Write the proportion equation
   110,592.28 : 152,570.04 = 72,285.28 : x
2. Step 2: Convert to fraction form
   110,592.28/152,570.04 = 72,285.28/x
3. Step 3: Cross multiply
   110,592.28x = 152,570.04 × 72,285.28
4. Step 4: Simplify right side
   110,592.28x = 11,028,568,061.01
5. Step 5: Solve for x
   x = 11,028,568,061.01/110,592.28
6. Step 6: Final answer
   x = 99,722.77