Finding the Fourth Proportional to 105,049.36, 157,527.56 and 30,152.12

Step by Step Solution

1. Step 1: Write the proportion equation
   105,049.36 : 157,527.56 = 30,152.12 : x
2. Step 2: Convert to fraction form
   105,049.36/157,527.56 = 30,152.12/x
3. Step 3: Cross multiply
   105,049.36x = 157,527.56 × 30,152.12
4. Step 4: Simplify right side
   105,049.36x = 4,749,789,892.43
5. Step 5: Solve for x
   x = 4,749,789,892.43/105,049.36
6. Step 6: Final answer
   x = 45,214.84