Finding the Fourth Proportional to 123,762.93, 185,738.42 and 90,568.65

Step by Step Solution

1. Step 1: Write the proportion equation
   123,762.93 : 185,738.42 = 90,568.65 : x
2. Step 2: Convert to fraction form
   123,762.93/185,738.42 = 90,568.65/x
3. Step 3: Cross multiply
   123,762.93x = 185,738.42 × 90,568.65
4. Step 4: Simplify right side
   123,762.93x = 16,822,077,499.69
5. Step 5: Solve for x
   x = 16,822,077,499.69/123,762.93
6. Step 6: Final answer
   x = 135,921.78