Finding the Fourth Proportional to 105,852.67, 158,762.57 and 30,955.21

Step by Step Solution

1. Step 1: Write the proportion equation
   105,852.67 : 158,762.57 = 30,955.21 : x
2. Step 2: Convert to fraction form
   105,852.67/158,762.57 = 30,955.21/x
3. Step 3: Cross multiply
   105,852.67x = 158,762.57 × 30,955.21
4. Step 4: Simplify right side
   105,852.67x = 4,914,528,142.81
5. Step 5: Solve for x
   x = 4,914,528,142.81/105,852.67
6. Step 6: Final answer
   x = 46,428.00