Finding the Fourth Proportional to 72,152.82, 108,216.72 and 19,550.16

Step by Step Solution

1. Step 1: Write the proportion equation
   72,152.82 : 108,216.72 = 19,550.16 : x
2. Step 2: Convert to fraction form
   72,152.82/108,216.72 = 19,550.16/x
3. Step 3: Cross multiply
   72,152.82x = 108,216.72 × 19,550.16
4. Step 4: Simplify right side
   72,152.82x = 2,115,654,190.68
5. Step 5: Solve for x
   x = 2,115,654,190.68/72,152.82
6. Step 6: Final answer
   x = 29,321.85