Finding the Fourth Proportional to 105,556.47, 158,345.10 and 30,677.25

Step by Step Solution

1. Step 1: Write the proportion equation
   105,556.47 : 158,345.10 = 30,677.25 : x
2. Step 2: Convert to fraction form
   105,556.47/158,345.10 = 30,677.25/x
3. Step 3: Cross multiply
   105,556.47x = 158,345.10 × 30,677.25
4. Step 4: Simplify right side
   105,556.47x = 4,857,592,218.98
5. Step 5: Solve for x
   x = 4,857,592,218.98/105,556.47
6. Step 6: Final answer
   x = 46,018.90