Finding the Fourth Proportional to 429,959.34, 645,016.59 and 177,101.82

Step by Step Solution

1. Step 1: Write the proportion equation
   429,959.34 : 645,016.59 = 177,101.82 : x
2. Step 2: Convert to fraction form
   429,959.34/645,016.59 = 177,101.82/x
3. Step 3: Cross multiply
   429,959.34x = 645,016.59 × 177,101.82
4. Step 4: Simplify right side
   429,959.34x = 114,233,612,019.19
5. Step 5: Solve for x
   x = 114,233,612,019.19/429,959.34
6. Step 6: Final answer
   x = 265,684.69