Finding the Fourth Proportional to 34,250.42, 51,404.80 and 13,488.50

Step by Step Solution

1. Step 1: Write the proportion equation
   34,250.42 : 51,404.80 = 13,488.50 : x
2. Step 2: Convert to fraction form
   34,250.42/51,404.80 = 13,488.50/x
3. Step 3: Cross multiply
   34,250.42x = 51,404.80 × 13,488.50
4. Step 4: Simplify right side
   34,250.42x = 693,373,644.80
5. Step 5: Solve for x
   x = 693,373,644.80/34,250.42
6. Step 6: Final answer
   x = 20,244.24