Finding the Fourth Proportional to 55,978.56, 83,949.12 and 22,688.64

Step by Step Solution

1. Step 1: Write the proportion equation
   55,978.56 : 83,949.12 = 22,688.64 : x
2. Step 2: Convert to fraction form
   55,978.56/83,949.12 = 22,688.64/x
3. Step 3: Cross multiply
   55,978.56x = 83,949.12 × 22,688.64
4. Step 4: Simplify right side
   55,978.56x = 1,904,691,362.00
5. Step 5: Solve for x
   x = 1,904,691,362.00/55,978.56
6. Step 6: Final answer
   x = 34,025.37