Finding the Fourth Proportional to 89,374.89, 123,338.88 and 49,090.35

Step by Step Solution

1. Step 1: Write the proportion equation
   89,374.89 : 123,338.88 = 49,090.35 : x
2. Step 2: Convert to fraction form
   89,374.89/123,338.88 = 49,090.35/x
3. Step 3: Cross multiply
   89,374.89x = 123,338.88 × 49,090.35
4. Step 4: Simplify right side
   89,374.89x = 6,054,748,787.81
5. Step 5: Solve for x
   x = 6,054,748,787.81/89,374.89
6. Step 6: Final answer
   x = 67,745.52