Finding the Fourth Proportional to 55,815.01, 83,734.04 and 18,377.31

Step by Step Solution

1. Step 1: Write the proportion equation
   55,815.01 : 83,734.04 = 18,377.31 : x
2. Step 2: Convert to fraction form
   55,815.01/83,734.04 = 18,377.31/x
3. Step 3: Cross multiply
   55,815.01x = 83,734.04 × 18,377.31
4. Step 4: Simplify right side
   55,815.01x = 1,538,806,410.63
5. Step 5: Solve for x
   x = 1,538,806,410.63/55,815.01
6. Step 6: Final answer
   x = 27,569.76