Finding the Fourth Proportional to 152,935.50, 210,965.97 and 142,110.79

Step by Step Solution

1. Step 1: Write the proportion equation
   152,935.50 : 210,965.97 = 142,110.79 : x
2. Step 2: Convert to fraction form
   152,935.50/210,965.97 = 142,110.79/x
3. Step 3: Cross multiply
   152,935.50x = 210,965.97 × 142,110.79
4. Step 4: Simplify right side
   152,935.50x = 29,980,540,659.82
5. Step 5: Solve for x
   x = 29,980,540,659.82/152,935.50
6. Step 6: Final answer
   x = 196,033.89