Finding the Fourth Proportional to 105,699.86, 158,338.54 and 63,556.87

Step by Step Solution

1. Step 1: Write the proportion equation
   105,699.86 : 158,338.54 = 63,556.87 : x
2. Step 2: Convert to fraction form
   105,699.86/158,338.54 = 63,556.87/x
3. Step 3: Cross multiply
   105,699.86x = 158,338.54 × 63,556.87
4. Step 4: Simplify right side
   105,699.86x = 10,063,502,002.77
5. Step 5: Solve for x
   x = 10,063,502,002.77/105,699.86
6. Step 6: Final answer
   x = 95,208.28