Finding the Fourth Proportional to 286,521.39, 429,796.35 and 109,042.15

Step by Step Solution

1. Step 1: Write the proportion equation
   286,521.39 : 429,796.35 = 109,042.15 : x
2. Step 2: Convert to fraction form
   286,521.39/429,796.35 = 109,042.15/x
3. Step 3: Cross multiply
   286,521.39x = 429,796.35 × 109,042.15
4. Step 4: Simplify right side
   286,521.39x = 46,865,918,066.15
5. Step 5: Solve for x
   x = 46,865,918,066.15/286,521.39
6. Step 6: Final answer
   x = 163,568.65