Finding the Fourth Proportional to 55,322.20, 82,997.82 and 21,588.76

Step by Step Solution

1. Step 1: Write the proportion equation
   55,322.20 : 82,997.82 = 21,588.76 : x
2. Step 2: Convert to fraction form
   55,322.20/82,997.82 = 21,588.76/x
3. Step 3: Cross multiply
   55,322.20x = 82,997.82 × 21,588.76
4. Step 4: Simplify right side
   55,322.20x = 1,791,820,016.50
5. Step 5: Solve for x
   x = 1,791,820,016.50/55,322.20
6. Step 6: Final answer
   x = 32,388.81