Finding the Fourth Proportional to 19,061.33, 26,309.61 and 11,507.67

Step by Step Solution

1. Step 1: Write the proportion equation
   19,061.33 : 26,309.61 = 11,507.67 : x
2. Step 2: Convert to fraction form
   19,061.33/26,309.61 = 11,507.67/x
3. Step 3: Cross multiply
   19,061.33x = 26,309.61 × 11,507.67
4. Step 4: Simplify right side
   19,061.33x = 302,762,309.71
5. Step 5: Solve for x
   x = 302,762,309.71/19,061.33
6. Step 6: Final answer
   x = 15,883.59