Finding the Fourth Proportional to 69,758.56, 104,635.50 and 30,315.67

Step by Step Solution

1. Step 1: Write the proportion equation
   69,758.56 : 104,635.50 = 30,315.67 : x
2. Step 2: Convert to fraction form
   69,758.56/104,635.50 = 30,315.67/x
3. Step 3: Cross multiply
   69,758.56x = 104,635.50 × 30,315.67
4. Step 4: Simplify right side
   69,758.56x = 3,172,095,292.56
5. Step 5: Solve for x
   x = 3,172,095,292.56/69,758.56
6. Step 6: Final answer
   x = 45,472.49