Finding the Fourth Proportional to 12,726.86, 17,584.19 and 10,058.52

Step by Step Solution

1. Step 1: Write the proportion equation
   12,726.86 : 17,584.19 = 10,058.52 : x
2. Step 2: Convert to fraction form
   12,726.86/17,584.19 = 10,058.52/x
3. Step 3: Cross multiply
   12,726.86x = 17,584.19 × 10,058.52
4. Step 4: Simplify right side
   12,726.86x = 176,870,876.51
5. Step 5: Solve for x
   x = 176,870,876.51/12,726.86
6. Step 6: Final answer
   x = 13,897.45