Finding the Fourth Proportional to 105,201.93, 157,813.43 and 30,323.91

Step by Step Solution

1. Step 1: Write the proportion equation
   105,201.93 : 157,813.43 = 30,323.91 : x
2. Step 2: Convert to fraction form
   105,201.93/157,813.43 = 30,323.91/x
3. Step 3: Cross multiply
   105,201.93x = 157,813.43 × 30,323.91
4. Step 4: Simplify right side
   105,201.93x = 4,785,520,096.49
5. Step 5: Solve for x
   x = 4,785,520,096.49/105,201.93
6. Step 6: Final answer
   x = 45,488.90