Finding the Fourth Proportional to 35,679.91, 49,191.60 and 30,697.65

Step by Step Solution

1. Step 1: Write the proportion equation
   35,679.91 : 49,191.60 = 30,697.65 : x
2. Step 2: Convert to fraction form
   35,679.91/49,191.60 = 30,697.65/x
3. Step 3: Cross multiply
   35,679.91x = 49,191.60 × 30,697.65
4. Step 4: Simplify right side
   35,679.91x = 1,510,066,243.27
5. Step 5: Solve for x
   x = 1,510,066,243.27/35,679.91
6. Step 6: Final answer
   x = 42,322.59