Finding the Fourth Proportional to 35,231.56, 48,591.32 and 30,973.57

Step by Step Solution

1. Step 1: Write the proportion equation
   35,231.56 : 48,591.32 = 30,973.57 : x
2. Step 2: Convert to fraction form
   35,231.56/48,591.32 = 30,973.57/x
3. Step 3: Cross multiply
   35,231.56x = 48,591.32 × 30,973.57
4. Step 4: Simplify right side
   35,231.56x = 1,505,046,375.07
5. Step 5: Solve for x
   x = 1,505,046,375.07/35,231.56
6. Step 6: Final answer
   x = 42,718.70