Finding the Fourth Proportional to 67,488.72, 101,020.78 and 46,304.92

Step by Step Solution

1. Step 1: Write the proportion equation
   67,488.72 : 101,020.78 = 46,304.92 : x
2. Step 2: Convert to fraction form
   67,488.72/101,020.78 = 46,304.92/x
3. Step 3: Cross multiply
   67,488.72x = 101,020.78 × 46,304.92
4. Step 4: Simplify right side
   67,488.72x = 4,677,759,136.24
5. Step 5: Solve for x
   x = 4,677,759,136.24/67,488.72
6. Step 6: Final answer
   x = 69,311.72