Finding the Fourth Proportional to 33,635.40, 50,459.32 and 13,915.50

Step by Step Solution

1. Step 1: Write the proportion equation
   33,635.40 : 50,459.32 = 13,915.50 : x
2. Step 2: Convert to fraction form
   33,635.40/50,459.32 = 13,915.50/x
3. Step 3: Cross multiply
   33,635.40x = 50,459.32 × 13,915.50
4. Step 4: Simplify right side
   33,635.40x = 702,166,495.63
5. Step 5: Solve for x
   x = 702,166,495.63/33,635.40
6. Step 6: Final answer
   x = 20,875.82