Finding the Fourth Proportional to 9,071.21, 12,518.06 and 5,092.25

Step by Step Solution

1. Step 1: Write the proportion equation
   9,071.21 : 12,518.06 = 5,092.25 : x
2. Step 2: Convert to fraction form
   9,071.21/12,518.06 = 5,092.25/x
3. Step 3: Cross multiply
   9,071.21x = 12,518.06 × 5,092.25
4. Step 4: Simplify right side
   9,071.21x = 63,745,002.98
5. Step 5: Solve for x
   x = 63,745,002.98/9,071.21
6. Step 6: Final answer
   x = 7,027.18