Finding the Fourth Proportional to 188,003.95, 259,478.61 and 111,565.19

Step by Step Solution

1. Step 1: Write the proportion equation
   188,003.95 : 259,478.61 = 111,565.19 : x
2. Step 2: Convert to fraction form
   188,003.95/259,478.61 = 111,565.19/x
3. Step 3: Cross multiply
   188,003.95x = 259,478.61 × 111,565.19
4. Step 4: Simplify right side
   188,003.95x = 28,948,780,425.59
5. Step 5: Solve for x
   x = 28,948,780,425.59/188,003.95
6. Step 6: Final answer
   x = 153,979.64