Finding the Fourth Proportional to 46,479, 69,706.04 and 20,177.49

Step by Step Solution

1. Step 1: Write the proportion equation
   46,479 : 69,706.04 = 20,177.49 : x
2. Step 2: Convert to fraction form
   46,479/69,706.04 = 20,177.49/x
3. Step 3: Cross multiply
   46,479x = 69,706.04 × 20,177.49
4. Step 4: Simplify right side
   46,479x = 1,406,492,824.15
5. Step 5: Solve for x
   x = 1,406,492,824.15/46,479
6. Step 6: Final answer
   x = 30,260.82