Finding the Fourth Proportional to 22,515.63, 33,762.83 and 13,158.34

Step by Step Solution

1. Step 1: Write the proportion equation
   22,515.63 : 33,762.83 = 13,158.34 : x
2. Step 2: Convert to fraction form
   22,515.63/33,762.83 = 13,158.34/x
3. Step 3: Cross multiply
   22,515.63x = 33,762.83 × 13,158.34
4. Step 4: Simplify right side
   22,515.63x = 444,262,796.50
5. Step 5: Solve for x
   x = 444,262,796.50/22,515.63
6. Step 6: Final answer
   x = 19,731.31