Finding the Fourth Proportional to 105,803.69, 158,715.75 and 30,922.12

Step by Step Solution

1. Step 1: Write the proportion equation
   105,803.69 : 158,715.75 = 30,922.12 : x
2. Step 2: Convert to fraction form
   105,803.69/158,715.75 = 30,922.12/x
3. Step 3: Cross multiply
   105,803.69x = 158,715.75 × 30,922.12
4. Step 4: Simplify right side
   105,803.69x = 4,907,827,781.74
5. Step 5: Solve for x
   x = 4,907,827,781.74/105,803.69
6. Step 6: Final answer
   x = 46,386.17