Finding the Fourth Proportional to 45,083.34, 67,621.05 and 13,915.50

Step by Step Solution

1. Step 1: Write the proportion equation
   45,083.34 : 67,621.05 = 13,915.50 : x
2. Step 2: Convert to fraction form
   45,083.34/67,621.05 = 13,915.50/x
3. Step 3: Cross multiply
   45,083.34x = 67,621.05 × 13,915.50
4. Step 4: Simplify right side
   45,083.34x = 940,980,721.28
5. Step 5: Solve for x
   x = 940,980,721.28/45,083.34
6. Step 6: Final answer
   x = 20,872.03