Finding the Fourth Proportional to 106,255.80, 159,404.73 and 30,354.99

Step by Step Solution

1. Step 1: Write the proportion equation
   106,255.80 : 159,404.73 = 30,354.99 : x
2. Step 2: Convert to fraction form
   106,255.80/159,404.73 = 30,354.99/x
3. Step 3: Cross multiply
   106,255.80x = 159,404.73 × 30,354.99
4. Step 4: Simplify right side
   106,255.80x = 4,838,729,383.61
5. Step 5: Solve for x
   x = 4,838,729,383.61/106,255.80
6. Step 6: Final answer
   x = 45,538.50