Finding the Fourth Proportional to 55,144.96, 82,670.56 and 21,888.48

Step by Step Solution

1. Step 1: Write the proportion equation
   55,144.96 : 82,670.56 = 21,888.48 : x
2. Step 2: Convert to fraction form
   55,144.96/82,670.56 = 21,888.48/x
3. Step 3: Cross multiply
   55,144.96x = 82,670.56 × 21,888.48
4. Step 4: Simplify right side
   55,144.96x = 1,809,532,899.15
5. Step 5: Solve for x
   x = 1,809,532,899.15/55,144.96
6. Step 6: Final answer
   x = 32,814.11