Finding the Fourth Proportional to 14,307.72, 21,470.22 and 5,072.52

Step by Step Solution

1. Step 1: Write the proportion equation
   14,307.72 : 21,470.22 = 5,072.52 : x
2. Step 2: Convert to fraction form
   14,307.72/21,470.22 = 5,072.52/x
3. Step 3: Cross multiply
   14,307.72x = 21,470.22 × 5,072.52
4. Step 4: Simplify right side
   14,307.72x = 108,908,120.35
5. Step 5: Solve for x
   x = 108,908,120.35/14,307.72
6. Step 6: Final answer
   x = 7,611.84