Finding the Fourth Proportional to 39,915.06, 59,872.86 and 17,722.41

Step by Step Solution

1. Step 1: Write the proportion equation
   39,915.06 : 59,872.86 = 17,722.41 : x
2. Step 2: Convert to fraction form
   39,915.06/59,872.86 = 17,722.41/x
3. Step 3: Cross multiply
   39,915.06x = 59,872.86 × 17,722.41
4. Step 4: Simplify right side
   39,915.06x = 1,061,091,372.79
5. Step 5: Solve for x
   x = 1,061,091,372.79/39,915.06
6. Step 6: Final answer
   x = 26,583.73