Finding the Fourth Proportional to 63,980.80, 88,291.20 and 37,105.60

Step by Step Solution

1. Step 1: Write the proportion equation
   63,980.80 : 88,291.20 = 37,105.60 : x
2. Step 2: Convert to fraction form
   63,980.80/88,291.20 = 37,105.60/x
3. Step 3: Cross multiply
   63,980.80x = 88,291.20 × 37,105.60
4. Step 4: Simplify right side
   63,980.80x = 3,276,097,950.72
5. Step 5: Solve for x
   x = 3,276,097,950.72/63,980.80
6. Step 6: Final answer
   x = 51,204.39