Finding the Fourth Proportional to 137,097.34, 189,193 and 76,667.28

Step by Step Solution

1. Step 1: Write the proportion equation
   137,097.34 : 189,193 = 76,667.28 : x
2. Step 2: Convert to fraction form
   137,097.34/189,193 = 76,667.28/x
3. Step 3: Cross multiply
   137,097.34x = 189,193 × 76,667.28
4. Step 4: Simplify right side
   137,097.34x = 14,504,912,705.04
5. Step 5: Solve for x
   x = 14,504,912,705.04/137,097.34
6. Step 6: Final answer
   x = 105,800.10