Finding the Fourth Proportional to 89,492.10, 123,499.55 and 49,208.46

Step by Step Solution

1. Step 1: Write the proportion equation
   89,492.10 : 123,499.55 = 49,208.46 : x
2. Step 2: Convert to fraction form
   89,492.10/123,499.55 = 49,208.46/x
3. Step 3: Cross multiply
   89,492.10x = 123,499.55 × 49,208.46
4. Step 4: Simplify right side
   89,492.10x = 6,077,222,326.09
5. Step 5: Solve for x
   x = 6,077,222,326.09/89,492.10
6. Step 6: Final answer
   x = 67,907.92