Finding the Fourth Proportional to 105,044.48, 157,520.24 and 30,147.25

Step by Step Solution

1. Step 1: Write the proportion equation
   105,044.48 : 157,520.24 = 30,147.25 : x
2. Step 2: Convert to fraction form
   105,044.48/157,520.24 = 30,147.25/x
3. Step 3: Cross multiply
   105,044.48x = 157,520.24 × 30,147.25
4. Step 4: Simplify right side
   105,044.48x = 4,748,801,267.74
5. Step 5: Solve for x
   x = 4,748,801,267.74/105,044.48
6. Step 6: Final answer
   x = 45,207.53