Finding the Fourth Proportional to 89,596.56, 123,638.64 and 49,314.15

Step by Step Solution

1. Step 1: Write the proportion equation
   89,596.56 : 123,638.64 = 49,314.15 : x
2. Step 2: Convert to fraction form
   89,596.56/123,638.64 = 49,314.15/x
3. Step 3: Cross multiply
   89,596.56x = 123,638.64 × 49,314.15
4. Step 4: Simplify right side
   89,596.56x = 6,097,134,438.76
5. Step 5: Solve for x
   x = 6,097,134,438.76/89,596.56
6. Step 6: Final answer
   x = 68,050.99