Finding the Fourth Proportional to 52,809.24, 79,025.10 and 45,871

Step by Step Solution

1. Step 1: Write the proportion equation
   52,809.24 : 79,025.10 = 45,871 : x
2. Step 2: Convert to fraction form
   52,809.24/79,025.10 = 45,871/x
3. Step 3: Cross multiply
   52,809.24x = 79,025.10 × 45,871
4. Step 4: Simplify right side
   52,809.24x = 3,624,960,362.10
5. Step 5: Solve for x
   x = 3,624,960,362.10/52,809.24
6. Step 6: Final answer
   x = 68,642.54