Finding the Fourth Proportional to 53,307.50, 73,570.83 and 30,951.50

Step by Step Solution

1. Step 1: Write the proportion equation
   53,307.50 : 73,570.83 = 30,951.50 : x
2. Step 2: Convert to fraction form
   53,307.50/73,570.83 = 30,951.50/x
3. Step 3: Cross multiply
   53,307.50x = 73,570.83 × 30,951.50
4. Step 4: Simplify right side
   53,307.50x = 2,277,127,544.75
5. Step 5: Solve for x
   x = 2,277,127,544.75/53,307.50
6. Step 6: Final answer
   x = 42,716.83