Finding the Fourth Proportional to 22,529.72, 31,094.87 and 13,103.75

Step by Step Solution

1. Step 1: Write the proportion equation
   22,529.72 : 31,094.87 = 13,103.75 : x
2. Step 2: Convert to fraction form
   22,529.72/31,094.87 = 13,103.75/x
3. Step 3: Cross multiply
   22,529.72x = 31,094.87 × 13,103.75
4. Step 4: Simplify right side
   22,529.72x = 407,459,181.77
5. Step 5: Solve for x
   x = 407,459,181.77/22,529.72
6. Step 6: Final answer
   x = 18,085.41