Finding the Fourth Proportional to 110,693.52, 152,387.60 and 105,609.42

Step by Step Solution

1. Step 1: Write the proportion equation
   110,693.52 : 152,387.60 = 105,609.42 : x
2. Step 2: Convert to fraction form
   110,693.52/152,387.60 = 105,609.42/x
3. Step 3: Cross multiply
   110,693.52x = 152,387.60 × 105,609.42
4. Step 4: Simplify right side
   110,693.52x = 16,093,565,523.14
5. Step 5: Solve for x
   x = 16,093,565,523.14/110,693.52
6. Step 6: Final answer
   x = 145,388.51