Finding the Fourth Proportional to 123,449.34, 184,857.72 and 85,445.97

Step by Step Solution

1. Step 1: Write the proportion equation
   123,449.34 : 184,857.72 = 85,445.97 : x
2. Step 2: Convert to fraction form
   123,449.34/184,857.72 = 85,445.97/x
3. Step 3: Cross multiply
   123,449.34x = 184,857.72 × 85,445.97
4. Step 4: Simplify right side
   123,449.34x = 15,795,347,197.39
5. Step 5: Solve for x
   x = 15,795,347,197.39/123,449.34
6. Step 6: Final answer
   x = 127,950.03