Finding the Fourth Proportional to 49,357.28, 74,196.48 and 39,603.44

Step by Step Solution

1. Step 1: Write the proportion equation
   49,357.28 : 74,196.48 = 39,603.44 : x
2. Step 2: Convert to fraction form
   49,357.28/74,196.48 = 39,603.44/x
3. Step 3: Cross multiply
   49,357.28x = 74,196.48 × 39,603.44
4. Step 4: Simplify right side
   49,357.28x = 2,938,435,843.89
5. Step 5: Solve for x
   x = 2,938,435,843.89/49,357.28
6. Step 6: Final answer
   x = 59,533.99