Finding the Fourth Proportional to 39,067.46, 58,522.83 and 17,978.12

Step by Step Solution

1. Step 1: Write the proportion equation
   39,067.46 : 58,522.83 = 17,978.12 : x
2. Step 2: Convert to fraction form
   39,067.46/58,522.83 = 17,978.12/x
3. Step 3: Cross multiply
   39,067.46x = 58,522.83 × 17,978.12
4. Step 4: Simplify right side
   39,067.46x = 1,052,130,460.48
5. Step 5: Solve for x
   x = 1,052,130,460.48/39,067.46
6. Step 6: Final answer
   x = 26,931.12