Finding the Fourth Proportional to 55,876.48, 83,796.89 and 18,429.57

Step by Step Solution

1. Step 1: Write the proportion equation
   55,876.48 : 83,796.89 = 18,429.57 : x
2. Step 2: Convert to fraction form
   55,876.48/83,796.89 = 18,429.57/x
3. Step 3: Cross multiply
   55,876.48x = 83,796.89 × 18,429.57
4. Step 4: Simplify right side
   55,876.48x = 1,544,340,650.04
5. Step 5: Solve for x
   x = 1,544,340,650.04/55,876.48
6. Step 6: Final answer
   x = 27,638.47