Finding the Fourth Proportional to 49,145.38, 73,729.20 and 17,980.62

Step by Step Solution

1. Step 1: Write the proportion equation
   49,145.38 : 73,729.20 = 17,980.62 : x
2. Step 2: Convert to fraction form
   49,145.38/73,729.20 = 17,980.62/x
3. Step 3: Cross multiply
   49,145.38x = 73,729.20 × 17,980.62
4. Step 4: Simplify right side
   49,145.38x = 1,325,696,728.10
5. Step 5: Solve for x
   x = 1,325,696,728.10/49,145.38
6. Step 6: Final answer
   x = 26,975.00