Finding the Fourth Proportional to 22,516.81, 31,075.83 and 18,733.30

Step by Step Solution

1. Step 1: Write the proportion equation
   22,516.81 : 31,075.83 = 18,733.30 : x
2. Step 2: Convert to fraction form
   22,516.81/31,075.83 = 18,733.30/x
3. Step 3: Cross multiply
   22,516.81x = 31,075.83 × 18,733.30
4. Step 4: Simplify right side
   22,516.81x = 582,152,768.45
5. Step 5: Solve for x
   x = 582,152,768.45/22,516.81
6. Step 6: Final answer
   x = 25,854.14