Finding the Fourth Proportional to 9,071.72, 12,518.88 and 5,092.74

Step by Step Solution

1. Step 1: Write the proportion equation
   9,071.72 : 12,518.88 = 5,092.74 : x
2. Step 2: Convert to fraction form
   9,071.72/12,518.88 = 5,092.74/x
3. Step 3: Cross multiply
   9,071.72x = 12,518.88 × 5,092.74
4. Step 4: Simplify right side
   9,071.72x = 63,755,400.93
5. Step 5: Solve for x
   x = 63,755,400.93/9,071.72
6. Step 6: Final answer
   x = 7,027.93