Finding the Fourth Proportional to 39,008.52, 58,521.96 and 12,713.22

Step by Step Solution

1. Step 1: Write the proportion equation
   39,008.52 : 58,521.96 = 12,713.22 : x
2. Step 2: Convert to fraction form
   39,008.52/58,521.96 = 12,713.22/x
3. Step 3: Cross multiply
   39,008.52x = 58,521.96 × 12,713.22
4. Step 4: Simplify right side
   39,008.52x = 744,002,552.31
5. Step 5: Solve for x
   x = 744,002,552.31/39,008.52
6. Step 6: Final answer
   x = 19,072.82