Finding the Fourth Proportional to 38,081.73, 52,554.43 and 21,085.98

Step by Step Solution

1. Step 1: Write the proportion equation
   38,081.73 : 52,554.43 = 21,085.98 : x
2. Step 2: Convert to fraction form
   38,081.73/52,554.43 = 21,085.98/x
3. Step 3: Cross multiply
   38,081.73x = 52,554.43 × 21,085.98
4. Step 4: Simplify right side
   38,081.73x = 1,108,161,659.89
5. Step 5: Solve for x
   x = 1,108,161,659.89/38,081.73
6. Step 6: Final answer
   x = 29,099.56