Finding the Fourth Proportional to 22,953.56, 31,676.55 and 13,999.01

Step by Step Solution

1. Step 1: Write the proportion equation
   22,953.56 : 31,676.55 = 13,999.01 : x
2. Step 2: Convert to fraction form
   22,953.56/31,676.55 = 13,999.01/x
3. Step 3: Cross multiply
   22,953.56x = 31,676.55 × 13,999.01
4. Step 4: Simplify right side
   22,953.56x = 443,440,340.22
5. Step 5: Solve for x
   x = 443,440,340.22/22,953.56
6. Step 6: Final answer
   x = 19,319.02