Finding the Fourth Proportional to 386,353.27, 579,523.71 and 105,870.52

Step by Step Solution

1. Step 1: Write the proportion equation
   386,353.27 : 579,523.71 = 105,870.52 : x
2. Step 2: Convert to fraction form
   386,353.27/579,523.71 = 105,870.52/x
3. Step 3: Cross multiply
   386,353.27x = 579,523.71 × 105,870.52
4. Step 4: Simplify right side
   386,353.27x = 61,354,476,530.03
5. Step 5: Solve for x
   x = 61,354,476,530.03/386,353.27
6. Step 6: Final answer
   x = 158,804.08