Finding the Fourth Proportional to 79,900.50, 119,736.56 and 58,674.05

Step by Step Solution

1. Step 1: Write the proportion equation
   79,900.50 : 119,736.56 = 58,674.05 : x
2. Step 2: Convert to fraction form
   79,900.50/119,736.56 = 58,674.05/x
3. Step 3: Cross multiply
   79,900.50x = 119,736.56 × 58,674.05
4. Step 4: Simplify right side
   79,900.50x = 7,025,428,905.28
5. Step 5: Solve for x
   x = 7,025,428,905.28/79,900.50
6. Step 6: Final answer
   x = 87,927.22