Finding the Fourth Proportional to 281,009.89, 387,793.37 and 151,948.05

Step by Step Solution

1. Step 1: Write the proportion equation
   281,009.89 : 387,793.37 = 151,948.05 : x
2. Step 2: Convert to fraction form
   281,009.89/387,793.37 = 151,948.05/x
3. Step 3: Cross multiply
   281,009.89x = 387,793.37 × 151,948.05
4. Step 4: Simplify right side
   281,009.89x = 58,924,447,599.39
5. Step 5: Solve for x
   x = 58,924,447,599.39/281,009.89
6. Step 6: Final answer
   x = 209,688.16