Finding the Fourth Proportional to 89,197.20, 123,097.83 and 58,929.42

Step by Step Solution

1. Step 1: Write the proportion equation
   89,197.20 : 123,097.83 = 58,929.42 : x
2. Step 2: Convert to fraction form
   89,197.20/123,097.83 = 58,929.42/x
3. Step 3: Cross multiply
   89,197.20x = 123,097.83 × 58,929.42
4. Step 4: Simplify right side
   89,197.20x = 7,254,083,965.79
5. Step 5: Solve for x
   x = 7,254,083,965.79/89,197.20
6. Step 6: Final answer
   x = 81,326.36