Finding the Fourth Proportional to 105,697.63, 158,549.32 and 30,815.96

Step by Step Solution

1. Step 1: Write the proportion equation
   105,697.63 : 158,549.32 = 30,815.96 : x
2. Step 2: Convert to fraction form
   105,697.63/158,549.32 = 30,815.96/x
3. Step 3: Cross multiply
   105,697.63x = 158,549.32 × 30,815.96
4. Step 4: Simplify right side
   105,697.63x = 4,885,849,599.45
5. Step 5: Solve for x
   x = 4,885,849,599.45/105,697.63
6. Step 6: Final answer
   x = 46,224.78