Finding the Fourth Proportional to 89,250.93, 123,172.02 and 58,983.21

Step by Step Solution

1. Step 1: Write the proportion equation
   89,250.93 : 123,172.02 = 58,983.21 : x
2. Step 2: Convert to fraction form
   89,250.93/123,172.02 = 58,983.21/x
3. Step 3: Cross multiply
   89,250.93x = 123,172.02 × 58,983.21
4. Step 4: Simplify right side
   89,250.93x = 7,265,081,121.78
5. Step 5: Solve for x
   x = 7,265,081,121.78/89,250.93
6. Step 6: Final answer
   x = 81,400.62