Finding the Fourth Proportional to 105,798.84, 158,715.24 and 30,909.48

Step by Step Solution

1. Step 1: Write the proportion equation
   105,798.84 : 158,715.24 = 30,909.48 : x
2. Step 2: Convert to fraction form
   105,798.84/158,715.24 = 30,909.48/x
3. Step 3: Cross multiply
   105,798.84x = 158,715.24 × 30,909.48
4. Step 4: Simplify right side
   105,798.84x = 4,905,805,536.48
5. Step 5: Solve for x
   x = 4,905,805,536.48/105,798.84
6. Step 6: Final answer
   x = 46,369.18