Finding the Fourth Proportional to 105,549.96, 158,288.40 and 30,649.80

Step by Step Solution

1. Step 1: Write the proportion equation
   105,549.96 : 158,288.40 = 30,649.80 : x
2. Step 2: Convert to fraction form
   105,549.96/158,288.40 = 30,649.80/x
3. Step 3: Cross multiply
   105,549.96x = 158,288.40 × 30,649.80
4. Step 4: Simplify right side
   105,549.96x = 4,851,507,802.32
5. Step 5: Solve for x
   x = 4,851,507,802.32/105,549.96
6. Step 6: Final answer
   x = 45,964.09