Finding the Fourth Proportional to 64,404.42, 96,608.79 and 19,427.82

Step by Step Solution

1. Step 1: Write the proportion equation
   64,404.42 : 96,608.79 = 19,427.82 : x
2. Step 2: Convert to fraction form
   64,404.42/96,608.79 = 19,427.82/x
3. Step 3: Cross multiply
   64,404.42x = 96,608.79 × 19,427.82
4. Step 4: Simplify right side
   64,404.42x = 1,876,898,182.54
5. Step 5: Solve for x
   x = 1,876,898,182.54/64,404.42
6. Step 6: Final answer
   x = 29,142.38