Finding the Fourth Proportional to 281,161.72, 388,002.72 and 153,837.82

Step by Step Solution

1. Step 1: Write the proportion equation
   281,161.72 : 388,002.72 = 153,837.82 : x
2. Step 2: Convert to fraction form
   281,161.72/388,002.72 = 153,837.82/x
3. Step 3: Cross multiply
   281,161.72x = 388,002.72 × 153,837.82
4. Step 4: Simplify right side
   281,161.72x = 59,689,492,598.87
5. Step 5: Solve for x
   x = 59,689,492,598.87/281,161.72
6. Step 6: Final answer
   x = 212,295.94