Finding the Fourth Proportional to 23,243.88, 34,779.69 and 13,889.00

Step by Step Solution

1. Step 1: Write the proportion equation
   23,243.88 : 34,779.69 = 13,889.00 : x
2. Step 2: Convert to fraction form
   23,243.88/34,779.69 = 13,889.00/x
3. Step 3: Cross multiply
   23,243.88x = 34,779.69 × 13,889.00
4. Step 4: Simplify right side
   23,243.88x = 483,054,940.51
5. Step 5: Solve for x
   x = 483,054,940.51/23,243.88
6. Step 6: Final answer
   x = 20,782.03