Finding the Fourth Proportional to 14,085.18, 21,123.93 and 4,725.54

Step by Step Solution

1. Step 1: Write the proportion equation
   14,085.18 : 21,123.93 = 4,725.54 : x
2. Step 2: Convert to fraction form
   14,085.18/21,123.93 = 4,725.54/x
3. Step 3: Cross multiply
   14,085.18x = 21,123.93 × 4,725.54
4. Step 4: Simplify right side
   14,085.18x = 99,821,976.17
5. Step 5: Solve for x
   x = 99,821,976.17/14,085.18
6. Step 6: Final answer
   x = 7,087.02