Finding the Fourth Proportional to 22,758.49, 34,136.67 and 7,970.72

Step by Step Solution

1. Step 1: Write the proportion equation
   22,758.49 : 34,136.67 = 7,970.72 : x
2. Step 2: Convert to fraction form
   22,758.49/34,136.67 = 7,970.72/x
3. Step 3: Cross multiply
   22,758.49x = 34,136.67 × 7,970.72
4. Step 4: Simplify right side
   22,758.49x = 272,093,838.30
5. Step 5: Solve for x
   x = 272,093,838.30/22,758.49
6. Step 6: Final answer
   x = 11,955.71