Finding the Fourth Proportional to 162,544.32, 223,812.72 and 142,287.84

Step by Step Solution

1. Step 1: Write the proportion equation
   162,544.32 : 223,812.72 = 142,287.84 : x
2. Step 2: Convert to fraction form
   162,544.32/223,812.72 = 142,287.84/x
3. Step 3: Cross multiply
   162,544.32x = 223,812.72 × 142,287.84
4. Step 4: Simplify right side
   162,544.32x = 31,845,828,493.32
5. Step 5: Solve for x
   x = 31,845,828,493.32/162,544.32
6. Step 6: Final answer
   x = 195,920.89