Finding the Fourth Proportional to 8,047.86, 12,071.73 and 5,291.94

Step by Step Solution

1. Step 1: Write the proportion equation
   8,047.86 : 12,071.73 = 5,291.94 : x
2. Step 2: Convert to fraction form
   8,047.86/12,071.73 = 5,291.94/x
3. Step 3: Cross multiply
   8,047.86x = 12,071.73 × 5,291.94
4. Step 4: Simplify right side
   8,047.86x = 63,882,870.86
5. Step 5: Solve for x
   x = 63,882,870.86/8,047.86
6. Step 6: Final answer
   x = 7,937.87