Finding the Fourth Proportional to 286,517.31, 429,185.34 and 167,828.82

Step by Step Solution

1. Step 1: Write the proportion equation
   286,517.31 : 429,185.34 = 167,828.82 : x
2. Step 2: Convert to fraction form
   286,517.31/429,185.34 = 167,828.82/x
3. Step 3: Cross multiply
   286,517.31x = 429,185.34 × 167,828.82
4. Step 4: Simplify right side
   286,517.31x = 72,029,669,173.50
5. Step 5: Solve for x
   x = 72,029,669,173.50/286,517.31
6. Step 6: Final answer
   x = 251,397.27