Finding the Fourth Proportional to 286,521.52, 429,796.56 and 109,042.29

Step by Step Solution

1. Step 1: Write the proportion equation
   286,521.52 : 429,796.56 = 109,042.29 : x
2. Step 2: Convert to fraction form
   286,521.52/429,796.56 = 109,042.29/x
3. Step 3: Cross multiply
   286,521.52x = 429,796.56 × 109,042.29
4. Step 4: Simplify right side
   286,521.52x = 46,866,001,140.51
5. Step 5: Solve for x
   x = 46,866,001,140.51/286,521.52
6. Step 6: Final answer
   x = 163,568.87