Finding the Fourth Proportional to 105,788.52, 158,697.59 and 30,914.15

Step by Step Solution

1. Step 1: Write the proportion equation
   105,788.52 : 158,697.59 = 30,914.15 : x
2. Step 2: Convert to fraction form
   105,788.52/158,697.59 = 30,914.15/x
3. Step 3: Cross multiply
   105,788.52x = 158,697.59 × 30,914.15
4. Step 4: Simplify right side
   105,788.52x = 4,906,000,153.84
5. Step 5: Solve for x
   x = 4,906,000,153.84/105,788.52
6. Step 6: Final answer
   x = 46,375.54