Finding the Fourth Proportional to 13,058.11, 18,019.98 and 7,393.93

Step by Step Solution

1. Step 1: Write the proportion equation
   13,058.11 : 18,019.98 = 7,393.93 : x
2. Step 2: Convert to fraction form
   13,058.11/18,019.98 = 7,393.93/x
3. Step 3: Cross multiply
   13,058.11x = 18,019.98 × 7,393.93
4. Step 4: Simplify right side
   13,058.11x = 133,238,470.72
5. Step 5: Solve for x
   x = 133,238,470.72/13,058.11
6. Step 6: Final answer
   x = 10,203.50