Finding the Fourth Proportional to 145,470.52, 200,731.69 and 80,924.50

Step by Step Solution

1. Step 1: Write the proportion equation
   145,470.52 : 200,731.69 = 80,924.50 : x
2. Step 2: Convert to fraction form
   145,470.52/200,731.69 = 80,924.50/x
3. Step 3: Cross multiply
   145,470.52x = 200,731.69 × 80,924.50
4. Step 4: Simplify right side
   145,470.52x = 16,244,111,647.41
5. Step 5: Solve for x
   x = 16,244,111,647.41/145,470.52
6. Step 6: Final answer
   x = 111,666.00