Finding the Fourth Proportional to 73,696.37, 110,544.12 and 21,105.86

Step by Step Solution

1. Step 1: Write the proportion equation
   73,696.37 : 110,544.12 = 21,105.86 : x
2. Step 2: Convert to fraction form
   73,696.37/110,544.12 = 21,105.86/x
3. Step 3: Cross multiply
   73,696.37x = 110,544.12 × 21,105.86
4. Step 4: Simplify right side
   73,696.37x = 2,333,128,167.82
5. Step 5: Solve for x
   x = 2,333,128,167.82/73,696.37
6. Step 6: Final answer
   x = 31,658.66