Finding the Fourth Proportional to 121,971.56, 168,323.27 and 73,573.25

Step by Step Solution

1. Step 1: Write the proportion equation
   121,971.56 : 168,323.27 = 73,573.25 : x
2. Step 2: Convert to fraction form
   121,971.56/168,323.27 = 73,573.25/x
3. Step 3: Cross multiply
   121,971.56x = 168,323.27 × 73,573.25
4. Step 4: Simplify right side
   121,971.56x = 12,384,088,815.04
5. Step 5: Solve for x
   x = 12,384,088,815.04/121,971.56
6. Step 6: Final answer
   x = 101,532.60