Finding the Fourth Proportional to 63,944.60, 88,215.54 and 60,980.00

Step by Step Solution

1. Step 1: Write the proportion equation
   63,944.60 : 88,215.54 = 60,980.00 : x
2. Step 2: Convert to fraction form
   63,944.60/88,215.54 = 60,980.00/x
3. Step 3: Cross multiply
   63,944.60x = 88,215.54 × 60,980.00
4. Step 4: Simplify right side
   63,944.60x = 5,379,383,188.12
5. Step 5: Solve for x
   x = 5,379,383,188.12/63,944.60
6. Step 6: Final answer
   x = 84,125.69