Finding the Fourth Proportional to 89,206.95, 123,111.29 and 58,939.19

Step by Step Solution

1. Step 1: Write the proportion equation
   89,206.95 : 123,111.29 = 58,939.19 : x
2. Step 2: Convert to fraction form
   89,206.95/123,111.29 = 58,939.19/x
3. Step 3: Cross multiply
   89,206.95x = 123,111.29 × 58,939.19
4. Step 4: Simplify right side
   89,206.95x = 7,256,079,712.46
5. Step 5: Solve for x
   x = 7,256,079,712.46/89,206.95
6. Step 6: Final answer
   x = 81,339.85