Finding the Fourth Proportional to 155,100.30, 214,171.47 and 150,084.78

Step by Step Solution

1. Step 1: Write the proportion equation
   155,100.30 : 214,171.47 = 150,084.78 : x
2. Step 2: Convert to fraction form
   155,100.30/214,171.47 = 150,084.78/x
3. Step 3: Cross multiply
   155,100.30x = 214,171.47 × 150,084.78
4. Step 4: Simplify right side
   155,100.30x = 32,143,877,957.23
5. Step 5: Solve for x
   x = 32,143,877,957.23/155,100.30
6. Step 6: Final answer
   x = 207,245.75