Finding the Fourth Proportional to 150,222.86, 207,293.34 and 89,781.50

Step by Step Solution

1. Step 1: Write the proportion equation
   150,222.86 : 207,293.34 = 89,781.50 : x
2. Step 2: Convert to fraction form
   150,222.86/207,293.34 = 89,781.50/x
3. Step 3: Cross multiply
   150,222.86x = 207,293.34 × 89,781.50
4. Step 4: Simplify right side
   150,222.86x = 18,611,107,005.21
5. Step 5: Solve for x
   x = 18,611,107,005.21/150,222.86
6. Step 6: Final answer
   x = 123,889.98