Finding the Fourth Proportional to 195,613.83, 293,529.73 and 105,654.72

Step by Step Solution

1. Step 1: Write the proportion equation
   195,613.83 : 293,529.73 = 105,654.72 : x
2. Step 2: Convert to fraction form
   195,613.83/293,529.73 = 105,654.72/x
3. Step 3: Cross multiply
   195,613.83x = 293,529.73 × 105,654.72
4. Step 4: Simplify right side
   195,613.83x = 31,012,799,967.18
5. Step 5: Solve for x
   x = 31,012,799,967.18/195,613.83
6. Step 6: Final answer
   x = 158,540.94