Finding the Fourth Proportional to 50,345.00, 69,458.79 and 31,217.88

Step by Step Solution

1. Step 1: Write the proportion equation
   50,345.00 : 69,458.79 = 31,217.88 : x
2. Step 2: Convert to fraction form
   50,345.00/69,458.79 = 31,217.88/x
3. Step 3: Cross multiply
   50,345.00x = 69,458.79 × 31,217.88
4. Step 4: Simplify right side
   50,345.00x = 2,168,356,171.17
5. Step 5: Solve for x
   x = 2,168,356,171.17/50,345.00
6. Step 6: Final answer
   x = 43,069.95