Finding the Fourth Proportional to 105,388.84, 158,091.50 and 30,510.11

Step by Step Solution

1. Step 1: Write the proportion equation
   105,388.84 : 158,091.50 = 30,510.11 : x
2. Step 2: Convert to fraction form
   105,388.84/158,091.50 = 30,510.11/x
3. Step 3: Cross multiply
   105,388.84x = 158,091.50 × 30,510.11
4. Step 4: Simplify right side
   105,388.84x = 4,823,389,055.07
5. Step 5: Solve for x
   x = 4,823,389,055.07/105,388.84
6. Step 6: Final answer
   x = 45,767.55