Finding the Fourth Proportional to 91,624.92, 136,810.72 and 82,075.62

Step by Step Solution

1. Step 1: Write the proportion equation
   91,624.92 : 136,810.72 = 82,075.62 : x
2. Step 2: Convert to fraction form
   91,624.92/136,810.72 = 82,075.62/x
3. Step 3: Cross multiply
   91,624.92x = 136,810.72 × 82,075.62
4. Step 4: Simplify right side
   91,624.92x = 11,228,824,666.65
5. Step 5: Solve for x
   x = 11,228,824,666.65/91,624.92
6. Step 6: Final answer
   x = 122,552.08