Finding the Fourth Proportional to 8,703.05, 12,012.30 and 5,348.03

Step by Step Solution

1. Step 1: Write the proportion equation
   8,703.05 : 12,012.30 = 5,348.03 : x
2. Step 2: Convert to fraction form
   8,703.05/12,012.30 = 5,348.03/x
3. Step 3: Cross multiply
   8,703.05x = 12,012.30 × 5,348.03
4. Step 4: Simplify right side
   8,703.05x = 64,242,080.71
5. Step 5: Solve for x
   x = 64,242,080.71/8,703.05
6. Step 6: Final answer
   x = 7,381.56