Finding the Fourth Proportional to 22,085.57, 33,123.60 and 7,290.99

Step by Step Solution

1. Step 1: Write the proportion equation
   22,085.57 : 33,123.60 = 7,290.99 : x
2. Step 2: Convert to fraction form
   22,085.57/33,123.60 = 7,290.99/x
3. Step 3: Cross multiply
   22,085.57x = 33,123.60 × 7,290.99
4. Step 4: Simplify right side
   22,085.57x = 241,503,836.36
5. Step 5: Solve for x
   x = 241,503,836.36/22,085.57
6. Step 6: Final answer
   x = 10,934.91