Finding the Fourth Proportional to 49,019.20, 73,528.64 and 19,443.84

Step by Step Solution

1. Step 1: Write the proportion equation
   49,019.20 : 73,528.64 = 19,443.84 : x
2. Step 2: Convert to fraction form
   49,019.20/73,528.64 = 19,443.84/x
3. Step 3: Cross multiply
   49,019.20x = 73,528.64 × 19,443.84
4. Step 4: Simplify right side
   49,019.20x = 1,429,679,111.58
5. Step 5: Solve for x
   x = 1,429,679,111.58/49,019.20
6. Step 6: Final answer
   x = 29,165.70