Finding the Fourth Proportional to 9,071.30, 12,518.43 and 5,092.61

Step by Step Solution

1. Step 1: Write the proportion equation
   9,071.30 : 12,518.43 = 5,092.61 : x
2. Step 2: Convert to fraction form
   9,071.30/12,518.43 = 5,092.61/x
3. Step 3: Cross multiply
   9,071.30x = 12,518.43 × 5,092.61
4. Step 4: Simplify right side
   9,071.30x = 63,751,481.80
5. Step 5: Solve for x
   x = 63,751,481.80/9,071.30
6. Step 6: Final answer
   x = 7,027.82