Finding the Fourth Proportional to 89,841.08, 123,918.49 and 72,846.03

Step by Step Solution

1. Step 1: Write the proportion equation
   89,841.08 : 123,918.49 = 72,846.03 : x
2. Step 2: Convert to fraction form
   89,841.08/123,918.49 = 72,846.03/x
3. Step 3: Cross multiply
   89,841.08x = 123,918.49 × 72,846.03
4. Step 4: Simplify right side
   89,841.08x = 9,026,970,595.85
5. Step 5: Solve for x
   x = 9,026,970,595.85/89,841.08
6. Step 6: Final answer
   x = 100,477.09