Finding the Fourth Proportional to 89,185.56, 123,077.46 and 48,903

Step by Step Solution

1. Step 1: Write the proportion equation
   89,185.56 : 123,077.46 = 48,903 : x
2. Step 2: Convert to fraction form
   89,185.56/123,077.46 = 48,903/x
3. Step 3: Cross multiply
   89,185.56x = 123,077.46 × 48,903
4. Step 4: Simplify right side
   89,185.56x = 6,018,857,026.38
5. Step 5: Solve for x
   x = 6,018,857,026.38/89,185.56
6. Step 6: Final answer
   x = 67,486.90