Finding the Fourth Proportional to 89,804.57, 123,865.16 and 61,073.16

Step by Step Solution

1. Step 1: Write the proportion equation
   89,804.57 : 123,865.16 = 61,073.16 : x
2. Step 2: Convert to fraction form
   89,804.57/123,865.16 = 61,073.16/x
3. Step 3: Cross multiply
   89,804.57x = 123,865.16 × 61,073.16
4. Step 4: Simplify right side
   89,804.57x = 7,564,835,965.25
5. Step 5: Solve for x
   x = 7,564,835,965.25/89,804.57
6. Step 6: Final answer
   x = 84,236.65