Finding the Fourth Proportional to 13,964.13, 19,270.61 and 7,590.72

Step by Step Solution

1. Step 1: Write the proportion equation
   13,964.13 : 19,270.61 = 7,590.72 : x
2. Step 2: Convert to fraction form
   13,964.13/19,270.61 = 7,590.72/x
3. Step 3: Cross multiply
   13,964.13x = 19,270.61 × 7,590.72
4. Step 4: Simplify right side
   13,964.13x = 146,277,766.79
5. Step 5: Solve for x
   x = 146,277,766.79/13,964.13
6. Step 6: Final answer
   x = 10,475.25