Finding the Fourth Proportional to 89,290.23, 123,216.57 and 49,004.07

Step by Step Solution

1. Step 1: Write the proportion equation
   89,290.23 : 123,216.57 = 49,004.07 : x
2. Step 2: Convert to fraction form
   89,290.23/123,216.57 = 49,004.07/x
3. Step 3: Cross multiply
   89,290.23x = 123,216.57 × 49,004.07
4. Step 4: Simplify right side
   89,290.23x = 6,038,113,514.65
5. Step 5: Solve for x
   x = 6,038,113,514.65/89,290.23
6. Step 6: Final answer
   x = 67,623.45