Finding the Fourth Proportional to 63,748.78, 87,975 and 35,069.20

Step by Step Solution

1. Step 1: Write the proportion equation
   63,748.78 : 87,975 = 35,069.20 : x
2. Step 2: Convert to fraction form
   63,748.78/87,975 = 35,069.20/x
3. Step 3: Cross multiply
   63,748.78x = 87,975 × 35,069.20
4. Step 4: Simplify right side
   63,748.78x = 3,085,212,870.00
5. Step 5: Solve for x
   x = 3,085,212,870.00/63,748.78
6. Step 6: Final answer
   x = 48,396.42