Finding the Fourth Proportional to 89,205.95, 123,109.91 and 58,938.19

Step by Step Solution

1. Step 1: Write the proportion equation
   89,205.95 : 123,109.91 = 58,938.19 : x
2. Step 2: Convert to fraction form
   89,205.95/123,109.91 = 58,938.19/x
3. Step 3: Cross multiply
   89,205.95x = 123,109.91 × 58,938.19
4. Step 4: Simplify right side
   89,205.95x = 7,255,875,266.46
5. Step 5: Solve for x
   x = 7,255,875,266.46/89,205.95
6. Step 6: Final answer
   x = 81,338.47