Finding the Fourth Proportional to 105,049.86, 157,528.30 and 30,152.62

Step by Step Solution

1. Step 1: Write the proportion equation
   105,049.86 : 157,528.30 = 30,152.62 : x
2. Step 2: Convert to fraction form
   105,049.86/157,528.30 = 30,152.62/x
3. Step 3: Cross multiply
   105,049.86x = 157,528.30 × 30,152.62
4. Step 4: Simplify right side
   105,049.86x = 4,749,890,969.15
5. Step 5: Solve for x
   x = 4,749,890,969.15/105,049.86
6. Step 6: Final answer
   x = 45,215.59