Finding the Fourth Proportional to 55,196.02, 82,807.87 and 21,905.09

Step by Step Solution

1. Step 1: Write the proportion equation
   55,196.02 : 82,807.87 = 21,905.09 : x
2. Step 2: Convert to fraction form
   55,196.02/82,807.87 = 21,905.09/x
3. Step 3: Cross multiply
   55,196.02x = 82,807.87 × 21,905.09
4. Step 4: Simplify right side
   55,196.02x = 1,813,913,845.06
5. Step 5: Solve for x
   x = 1,813,913,845.06/55,196.02
6. Step 6: Final answer
   x = 32,863.13