Finding the Fourth Proportional to 89,531.72, 123,556.10 and 49,246.54

Step by Step Solution

1. Step 1: Write the proportion equation
   89,531.72 : 123,556.10 = 49,246.54 : x
2. Step 2: Convert to fraction form
   89,531.72/123,556.10 = 49,246.54/x
3. Step 3: Cross multiply
   89,531.72x = 123,556.10 × 49,246.54
4. Step 4: Simplify right side
   89,531.72x = 6,084,710,420.89
5. Step 5: Solve for x
   x = 6,084,710,420.89/89,531.72
6. Step 6: Final answer
   x = 67,961.50