Finding the Fourth Proportional to 105,332.91, 157,976.24 and 30,436.76

Step by Step Solution

1. Step 1: Write the proportion equation
   105,332.91 : 157,976.24 = 30,436.76 : x
2. Step 2: Convert to fraction form
   105,332.91/157,976.24 = 30,436.76/x
3. Step 3: Cross multiply
   105,332.91x = 157,976.24 × 30,436.76
4. Step 4: Simplify right side
   105,332.91x = 4,808,283,960.52
5. Step 5: Solve for x
   x = 4,808,283,960.52/105,332.91
6. Step 6: Final answer
   x = 45,648.45