Finding the Fourth Proportional to 89,807, 123,938.88 and 49,529.33

Step by Step Solution

1. Step 1: Write the proportion equation
   89,807 : 123,938.88 = 49,529.33 : x
2. Step 2: Convert to fraction form
   89,807/123,938.88 = 49,529.33/x
3. Step 3: Cross multiply
   89,807x = 123,938.88 × 49,529.33
4. Step 4: Simplify right side
   89,807x = 6,138,609,687.35
5. Step 5: Solve for x
   x = 6,138,609,687.35/89,807
6. Step 6: Final answer
   x = 68,353.35