Finding the Fourth Proportional to 286,013.31, 429,132.83 and 108,567.42

Step by Step Solution

1. Step 1: Write the proportion equation
   286,013.31 : 429,132.83 = 108,567.42 : x
2. Step 2: Convert to fraction form
   286,013.31/429,132.83 = 108,567.42/x
3. Step 3: Cross multiply
   286,013.31x = 429,132.83 × 108,567.42
4. Step 4: Simplify right side
   286,013.31x = 46,589,843,647.56
5. Step 5: Solve for x
   x = 46,589,843,647.56/286,013.31
6. Step 6: Final answer
   x = 162,893.97