Finding the Fourth Proportional to 104,772.24, 144,588.83 and 64,509.23

Step by Step Solution

1. Step 1: Write the proportion equation
   104,772.24 : 144,588.83 = 64,509.23 : x
2. Step 2: Convert to fraction form
   104,772.24/144,588.83 = 64,509.23/x
3. Step 3: Cross multiply
   104,772.24x = 144,588.83 × 64,509.23
4. Step 4: Simplify right side
   104,772.24x = 9,327,314,128.83
5. Step 5: Solve for x
   x = 9,327,314,128.83/104,772.24
6. Step 6: Final answer
   x = 89,024.67