Finding the Fourth Proportional to 188,501.45, 282,844.42 and 88,671.72

Step by Step Solution

1. Step 1: Write the proportion equation
   188,501.45 : 282,844.42 = 88,671.72 : x
2. Step 2: Convert to fraction form
   188,501.45/282,844.42 = 88,671.72/x
3. Step 3: Cross multiply
   188,501.45x = 282,844.42 × 88,671.72
4. Step 4: Simplify right side
   188,501.45x = 25,080,300,992.12
5. Step 5: Solve for x
   x = 25,080,300,992.12/188,501.45
6. Step 6: Final answer
   x = 133,050.97