Finding the Fourth Proportional to 55,851.89, 83,751.52 and 20,288.14

Step by Step Solution

1. Step 1: Write the proportion equation
   55,851.89 : 83,751.52 = 20,288.14 : x
2. Step 2: Convert to fraction form
   55,851.89/83,751.52 = 20,288.14/x
3. Step 3: Cross multiply
   55,851.89x = 83,751.52 × 20,288.14
4. Step 4: Simplify right side
   55,851.89x = 1,699,162,461.53
5. Step 5: Solve for x
   x = 1,699,162,461.53/55,851.89
6. Step 6: Final answer
   x = 30,422.65