Finding the Fourth Proportional to 105,047.86, 157,525.30 and 30,150.62

Step by Step Solution

1. Step 1: Write the proportion equation
   105,047.86 : 157,525.30 = 30,150.62 : x
2. Step 2: Convert to fraction form
   105,047.86/157,525.30 = 30,150.62/x
3. Step 3: Cross multiply
   105,047.86x = 157,525.30 × 30,150.62
4. Step 4: Simplify right side
   105,047.86x = 4,749,485,460.69
5. Step 5: Solve for x
   x = 4,749,485,460.69/105,047.86
6. Step 6: Final answer
   x = 45,212.59