Finding the Fourth Proportional to 300,339.62, 414,460.29 and 177,838.15

Step by Step Solution

1. Step 1: Write the proportion equation
   300,339.62 : 414,460.29 = 177,838.15 : x
2. Step 2: Convert to fraction form
   300,339.62/414,460.29 = 177,838.15/x
3. Step 3: Cross multiply
   300,339.62x = 414,460.29 × 177,838.15
4. Step 4: Simplify right side
   300,339.62x = 73,706,851,222.06
5. Step 5: Solve for x
   x = 73,706,851,222.06/300,339.62
6. Step 6: Final answer
   x = 245,411.68