Finding the Fourth Proportional to 150,046, 206,849.76 and 102,238

Step by Step Solution

1. Step 1: Write the proportion equation
   150,046 : 206,849.76 = 102,238 : x
2. Step 2: Convert to fraction form
   150,046/206,849.76 = 102,238/x
3. Step 3: Cross multiply
   150,046x = 206,849.76 × 102,238
4. Step 4: Simplify right side
   150,046x = 21,147,905,762.88
5. Step 5: Solve for x
   x = 21,147,905,762.88/150,046
6. Step 6: Final answer
   x = 140,942.82