Finding the Fourth Proportional to 89,495.15, 123,499.98 and 49,206.51

Step by Step Solution

1. Step 1: Write the proportion equation
   89,495.15 : 123,499.98 = 49,206.51 : x
2. Step 2: Convert to fraction form
   89,495.15/123,499.98 = 49,206.51/x
3. Step 3: Cross multiply
   89,495.15x = 123,499.98 × 49,206.51
4. Step 4: Simplify right side
   89,495.15x = 6,077,003,000.87
5. Step 5: Solve for x
   x = 6,077,003,000.87/89,495.15
6. Step 6: Final answer
   x = 67,903.16