Finding the Fourth Proportional to 123,421.73, 184,983.75 and 56,770.47

Step by Step Solution

1. Step 1: Write the proportion equation
   123,421.73 : 184,983.75 = 56,770.47 : x
2. Step 2: Convert to fraction form
   123,421.73/184,983.75 = 56,770.47/x
3. Step 3: Cross multiply
   123,421.73x = 184,983.75 × 56,770.47
4. Step 4: Simplify right side
   123,421.73x = 10,501,614,429.86
5. Step 5: Solve for x
   x = 10,501,614,429.86/123,421.73
6. Step 6: Final answer
   x = 85,087.24