Finding the Fourth Proportional to 38,686.64, 58,010.52 and 17,924.72

Step by Step Solution

1. Step 1: Write the proportion equation
   38,686.64 : 58,010.52 = 17,924.72 : x
2. Step 2: Convert to fraction form
   38,686.64/58,010.52 = 17,924.72/x
3. Step 3: Cross multiply
   38,686.64x = 58,010.52 × 17,924.72
4. Step 4: Simplify right side
   38,686.64x = 1,039,822,540.30
5. Step 5: Solve for x
   x = 1,039,822,540.30/38,686.64
6. Step 6: Final answer
   x = 26,878.08