Finding the Fourth Proportional to 91,289.82, 136,941.96 and 32,138.76

Step by Step Solution

1. Step 1: Write the proportion equation
   91,289.82 : 136,941.96 = 32,138.76 : x
2. Step 2: Convert to fraction form
   91,289.82/136,941.96 = 32,138.76/x
3. Step 3: Cross multiply
   91,289.82x = 136,941.96 × 32,138.76
4. Step 4: Simplify right side
   91,289.82x = 4,401,144,786.37
5. Step 5: Solve for x
   x = 4,401,144,786.37/91,289.82
6. Step 6: Final answer
   x = 48,210.69