Finding the Fourth Proportional to 300,162.53, 450,399.02 and 131,801.06

Step by Step Solution

1. Step 1: Write the proportion equation
   300,162.53 : 450,399.02 = 131,801.06 : x
2. Step 2: Convert to fraction form
   300,162.53/450,399.02 = 131,801.06/x
3. Step 3: Cross multiply
   300,162.53x = 450,399.02 × 131,801.06
4. Step 4: Simplify right side
   300,162.53x = 59,363,068,725.95
5. Step 5: Solve for x
   x = 59,363,068,725.95/300,162.53
6. Step 6: Final answer
   x = 197,769.75