Finding the Fourth Proportional to 89,291.50, 123,218.31 and 49,005.34

Step by Step Solution

1. Step 1: Write the proportion equation
   89,291.50 : 123,218.31 = 49,005.34 : x
2. Step 2: Convert to fraction form
   89,291.50/123,218.31 = 49,005.34/x
3. Step 3: Cross multiply
   89,291.50x = 123,218.31 × 49,005.34
4. Step 4: Simplify right side
   89,291.50x = 6,038,355,051.50
5. Step 5: Solve for x
   x = 6,038,355,051.50/89,291.50
6. Step 6: Final answer
   x = 67,625.20