Finding the Fourth Proportional to 152,924.50, 210,950.79 and 142,099.79

Step by Step Solution

1. Step 1: Write the proportion equation
   152,924.50 : 210,950.79 = 142,099.79 : x
2. Step 2: Convert to fraction form
   152,924.50/210,950.79 = 142,099.79/x
3. Step 3: Cross multiply
   152,924.50x = 210,950.79 × 142,099.79
4. Step 4: Simplify right side
   152,924.50x = 29,976,062,959.33
5. Step 5: Solve for x
   x = 29,976,062,959.33/152,924.50
6. Step 6: Final answer
   x = 196,018.71