Finding the Fourth Proportional to 47,200.08, 65,136.42 and 25,978.80

Step by Step Solution

1. Step 1: Write the proportion equation
   47,200.08 : 65,136.42 = 25,978.80 : x
2. Step 2: Convert to fraction form
   47,200.08/65,136.42 = 25,978.80/x
3. Step 3: Cross multiply
   47,200.08x = 65,136.42 × 25,978.80
4. Step 4: Simplify right side
   47,200.08x = 1,692,166,027.90
5. Step 5: Solve for x
   x = 1,692,166,027.90/47,200.08
6. Step 6: Final answer
   x = 35,850.91