Finding the Fourth Proportional to 89,491.65, 123,498.94 and 49,208.01

Step by Step Solution

1. Step 1: Write the proportion equation
   89,491.65 : 123,498.94 = 49,208.01 : x
2. Step 2: Convert to fraction form
   89,491.65/123,498.94 = 49,208.01/x
3. Step 3: Cross multiply
   89,491.65x = 123,498.94 × 49,208.01
4. Step 4: Simplify right side
   89,491.65x = 6,077,136,672.90
5. Step 5: Solve for x
   x = 6,077,136,672.90/89,491.65
6. Step 6: Final answer
   x = 67,907.30