Finding the Fourth Proportional to 52,419.50, 78,644.58 and 16,880.03

Step by Step Solution

1. Step 1: Write the proportion equation
   52,419.50 : 78,644.58 = 16,880.03 : x
2. Step 2: Convert to fraction form
   52,419.50/78,644.58 = 16,880.03/x
3. Step 3: Cross multiply
   52,419.50x = 78,644.58 × 16,880.03
4. Step 4: Simplify right side
   52,419.50x = 1,327,522,476.51
5. Step 5: Solve for x
   x = 1,327,522,476.51/52,419.50
6. Step 6: Final answer
   x = 25,324.98