Finding the Fourth Proportional to 281,160.72, 388,001.34 and 153,836.82

Step by Step Solution

1. Step 1: Write the proportion equation
   281,160.72 : 388,001.34 = 153,836.82 : x
2. Step 2: Convert to fraction form
   281,160.72/388,001.34 = 153,836.82/x
3. Step 3: Cross multiply
   281,160.72x = 388,001.34 × 153,836.82
4. Step 4: Simplify right side
   281,160.72x = 59,688,892,301.34
5. Step 5: Solve for x
   x = 59,688,892,301.34/281,160.72
6. Step 6: Final answer
   x = 212,294.56