Finding the Fourth Proportional to 11,987.83, 17,981.91 and 4,592.67

Step by Step Solution

1. Step 1: Write the proportion equation
   11,987.83 : 17,981.91 = 4,592.67 : x
2. Step 2: Convert to fraction form
   11,987.83/17,981.91 = 4,592.67/x
3. Step 3: Cross multiply
   11,987.83x = 17,981.91 × 4,592.67
4. Step 4: Simplify right side
   11,987.83x = 82,584,978.60
5. Step 5: Solve for x
   x = 82,584,978.60/11,987.83
6. Step 6: Final answer
   x = 6,889.07