Finding the Fourth Proportional to 90,065.83, 135,101.49 and 30,900.67

Step by Step Solution

1. Step 1: Write the proportion equation
   90,065.83 : 135,101.49 = 30,900.67 : x
2. Step 2: Convert to fraction form
   90,065.83/135,101.49 = 30,900.67/x
3. Step 3: Cross multiply
   90,065.83x = 135,101.49 × 30,900.67
4. Step 4: Simplify right side
   90,065.83x = 4,174,726,559.00
5. Step 5: Solve for x
   x = 4,174,726,559.00/90,065.83
6. Step 6: Final answer
   x = 46,351.95