Finding the Fourth Proportional to 90,758.91, 136,159.37 and 30,784.19

Step by Step Solution

1. Step 1: Write the proportion equation
   90,758.91 : 136,159.37 = 30,784.19 : x
2. Step 2: Convert to fraction form
   90,758.91/136,159.37 = 30,784.19/x
3. Step 3: Cross multiply
   90,758.91x = 136,159.37 × 30,784.19
4. Step 4: Simplify right side
   90,758.91x = 4,191,555,923.02
5. Step 5: Solve for x
   x = 4,191,555,923.02/90,758.91
6. Step 6: Final answer
   x = 46,183.41