Finding the Fourth Proportional to 137,626.83, 189,667.85 and 107,364.15

Step by Step Solution

1. Step 1: Write the proportion equation
   137,626.83 : 189,667.85 = 107,364.15 : x
2. Step 2: Convert to fraction form
   137,626.83/189,667.85 = 107,364.15/x
3. Step 3: Cross multiply
   137,626.83x = 189,667.85 × 107,364.15
4. Step 4: Simplify right side
   137,626.83x = 20,363,526,960.76
5. Step 5: Solve for x
   x = 20,363,526,960.76/137,626.83
6. Step 6: Final answer
   x = 147,961.90