Finding the Fourth Proportional to 50,465.07, 69,636.58 and 31,080.89

Step by Step Solution

1. Step 1: Write the proportion equation
   50,465.07 : 69,636.58 = 31,080.89 : x
2. Step 2: Convert to fraction form
   50,465.07/69,636.58 = 31,080.89/x
3. Step 3: Cross multiply
   50,465.07x = 69,636.58 × 31,080.89
4. Step 4: Simplify right side
   50,465.07x = 2,164,366,979.35
5. Step 5: Solve for x
   x = 2,164,366,979.35/50,465.07
6. Step 6: Final answer
   x = 42,888.42