Finding the Fourth Proportional to 106,772.72, 160,216.12 and 69,323.92

Step by Step Solution

1. Step 1: Write the proportion equation
   106,772.72 : 160,216.12 = 69,323.92 : x
2. Step 2: Convert to fraction form
   106,772.72/160,216.12 = 69,323.92/x
3. Step 3: Cross multiply
   106,772.72x = 160,216.12 × 69,323.92
4. Step 4: Simplify right side
   106,772.72x = 11,106,809,485.59
5. Step 5: Solve for x
   x = 11,106,809,485.59/106,772.72
6. Step 6: Final answer
   x = 104,022.91