Finding the Fourth Proportional to 55,368.86, 83,064.21 and 20,308.82

Step by Step Solution

1. Step 1: Write the proportion equation
   55,368.86 : 83,064.21 = 20,308.82 : x
2. Step 2: Convert to fraction form
   55,368.86/83,064.21 = 20,308.82/x
3. Step 3: Cross multiply
   55,368.86x = 83,064.21 × 20,308.82
4. Step 4: Simplify right side
   55,368.86x = 1,686,935,674.01
5. Step 5: Solve for x
   x = 1,686,935,674.01/55,368.86
6. Step 6: Final answer
   x = 30,467.23