Finding the Fourth Proportional to 137,016.99, 189,059.27 and 76,568.31

Step by Step Solution

1. Step 1: Write the proportion equation
   137,016.99 : 189,059.27 = 76,568.31 : x
2. Step 2: Convert to fraction form
   137,016.99/189,059.27 = 76,568.31/x
3. Step 3: Cross multiply
   137,016.99x = 189,059.27 × 76,568.31
4. Step 4: Simplify right side
   137,016.99x = 14,475,948,410.89
5. Step 5: Solve for x
   x = 14,475,948,410.89/137,016.99
6. Step 6: Final answer
   x = 105,650.75