Finding the Fourth Proportional to 51,344.99, 70,826.50 and 30,912.83

Step by Step Solution

1. Step 1: Write the proportion equation
   51,344.99 : 70,826.50 = 30,912.83 : x
2. Step 2: Convert to fraction form
   51,344.99/70,826.50 = 30,912.83/x
3. Step 3: Cross multiply
   51,344.99x = 70,826.50 × 30,912.83
4. Step 4: Simplify right side
   51,344.99x = 2,189,447,554.00
5. Step 5: Solve for x
   x = 2,189,447,554.00/51,344.99
6. Step 6: Final answer
   x = 42,641.89