Finding the Fourth Proportional to 50,010.21, 69,014.10 and 28,499.34

Step by Step Solution

1. Step 1: Write the proportion equation
   50,010.21 : 69,014.10 = 28,499.34 : x
2. Step 2: Convert to fraction form
   50,010.21/69,014.10 = 28,499.34/x
3. Step 3: Cross multiply
   50,010.21x = 69,014.10 × 28,499.34
4. Step 4: Simplify right side
   50,010.21x = 1,966,856,300.69
5. Step 5: Solve for x
   x = 1,966,856,300.69/50,010.21
6. Step 6: Final answer
   x = 39,329.10