Finding the Fourth Proportional to 55,756.73, 83,634.38 and 13,637.18

Step by Step Solution

1. Step 1: Write the proportion equation
   55,756.73 : 83,634.38 = 13,637.18 : x
2. Step 2: Convert to fraction form
   55,756.73/83,634.38 = 13,637.18/x
3. Step 3: Cross multiply
   55,756.73x = 83,634.38 × 13,637.18
4. Step 4: Simplify right side
   55,756.73x = 1,140,536,607.89
5. Step 5: Solve for x
   x = 1,140,536,607.89/55,756.73
6. Step 6: Final answer
   x = 20,455.59