Finding the Fourth Proportional to 55,681.56, 83,527.20 and 14,128.56

Step by Step Solution

1. Step 1: Write the proportion equation
   55,681.56 : 83,527.20 = 14,128.56 : x
2. Step 2: Convert to fraction form
   55,681.56/83,527.20 = 14,128.56/x
3. Step 3: Cross multiply
   55,681.56x = 83,527.20 × 14,128.56
4. Step 4: Simplify right side
   55,681.56x = 1,180,119,056.83
5. Step 5: Solve for x
   x = 1,180,119,056.83/55,681.56
6. Step 6: Final answer
   x = 21,194.07