Finding the Fourth Proportional to 23,099.56, 31,876.74 and 13,027.91

Step by Step Solution

1. Step 1: Write the proportion equation
   23,099.56 : 31,876.74 = 13,027.91 : x
2. Step 2: Convert to fraction form
   23,099.56/31,876.74 = 13,027.91/x
3. Step 3: Cross multiply
   23,099.56x = 31,876.74 × 13,027.91
4. Step 4: Simplify right side
   23,099.56x = 415,287,140.43
5. Step 5: Solve for x
   x = 415,287,140.43/23,099.56
6. Step 6: Final answer
   x = 17,978.14