Finding the Fourth Proportional to 110,273.21, 152,120.91 and 72,055.10

Step by Step Solution

1. Step 1: Write the proportion equation
   110,273.21 : 152,120.91 = 72,055.10 : x
2. Step 2: Convert to fraction form
   110,273.21/152,120.91 = 72,055.10/x
3. Step 3: Cross multiply
   110,273.21x = 152,120.91 × 72,055.10
4. Step 4: Simplify right side
   110,273.21x = 10,961,087,382.14
5. Step 5: Solve for x
   x = 10,961,087,382.14/110,273.21
6. Step 6: Final answer
   x = 99,399.37