Finding the Fourth Proportional to 89,530.71, 123,554.72 and 49,245.53

Step by Step Solution

1. Step 1: Write the proportion equation
   89,530.71 : 123,554.72 = 49,245.53 : x
2. Step 2: Convert to fraction form
   89,530.71/123,554.72 = 49,245.53/x
3. Step 3: Cross multiply
   89,530.71x = 123,554.72 × 49,245.53
4. Step 4: Simplify right side
   89,530.71x = 6,084,517,670.40
5. Step 5: Solve for x
   x = 6,084,517,670.40/89,530.71
6. Step 6: Final answer
   x = 67,960.12