Finding the Fourth Proportional to 78,823.34, 108,776.16 and 50,529

Step by Step Solution

1. Step 1: Write the proportion equation
   78,823.34 : 108,776.16 = 50,529 : x
2. Step 2: Convert to fraction form
   78,823.34/108,776.16 = 50,529/x
3. Step 3: Cross multiply
   78,823.34x = 108,776.16 × 50,529
4. Step 4: Simplify right side
   78,823.34x = 5,496,350,588.64
5. Step 5: Solve for x
   x = 5,496,350,588.64/78,823.34
6. Step 6: Final answer
   x = 69,729.99