Finding the Fourth Proportional to 8,007.83, 12,071.81 and 7,472.63

Step by Step Solution

1. Step 1: Write the proportion equation
   8,007.83 : 12,071.81 = 7,472.63 : x
2. Step 2: Convert to fraction form
   8,007.83/12,071.81 = 7,472.63/x
3. Step 3: Cross multiply
   8,007.83x = 12,071.81 × 7,472.63
4. Step 4: Simplify right side
   8,007.83x = 90,208,071.84
5. Step 5: Solve for x
   x = 90,208,071.84/8,007.83
6. Step 6: Final answer
   x = 11,264.99