Finding the Fourth Proportional to 39,016.17, 58,530.33 and 12,714.81

Step by Step Solution

1. Step 1: Write the proportion equation
   39,016.17 : 58,530.33 = 12,714.81 : x
2. Step 2: Convert to fraction form
   39,016.17/58,530.33 = 12,714.81/x
3. Step 3: Cross multiply
   39,016.17x = 58,530.33 × 12,714.81
4. Step 4: Simplify right side
   39,016.17x = 744,202,025.19
5. Step 5: Solve for x
   x = 744,202,025.19/39,016.17
6. Step 6: Final answer
   x = 19,074.19