Finding the Fourth Proportional to 8,012.34, 12,013.83 and 5,382.90

Step by Step Solution

1. Step 1: Write the proportion equation
   8,012.34 : 12,013.83 = 5,382.90 : x
2. Step 2: Convert to fraction form
   8,012.34/12,013.83 = 5,382.90/x
3. Step 3: Cross multiply
   8,012.34x = 12,013.83 × 5,382.90
4. Step 4: Simplify right side
   8,012.34x = 64,669,245.51
5. Step 5: Solve for x
   x = 64,669,245.51/8,012.34
6. Step 6: Final answer
   x = 8,071.21