Finding the Fourth Proportional to 104,464.24, 144,164.72 and 59,144.16

Step by Step Solution

1. Step 1: Write the proportion equation
   104,464.24 : 144,164.72 = 59,144.16 : x
2. Step 2: Convert to fraction form
   104,464.24/144,164.72 = 59,144.16/x
3. Step 3: Cross multiply
   104,464.24x = 144,164.72 × 59,144.16
4. Step 4: Simplify right side
   104,464.24x = 8,526,501,266.04
5. Step 5: Solve for x
   x = 8,526,501,266.04/104,464.24
6. Step 6: Final answer
   x = 81,621.24