Finding the Fourth Proportional to 9,072.42, 12,519.15 and 5,092.98

Step by Step Solution

1. Step 1: Write the proportion equation
   9,072.42 : 12,519.15 = 5,092.98 : x
2. Step 2: Convert to fraction form
   9,072.42/12,519.15 = 5,092.98/x
3. Step 3: Cross multiply
   9,072.42x = 12,519.15 × 5,092.98
4. Step 4: Simplify right side
   9,072.42x = 63,759,780.57
5. Step 5: Solve for x
   x = 63,759,780.57/9,072.42
6. Step 6: Final answer
   x = 7,027.87