Finding the Fourth Proportional to 7,051.30, 9,708.59 and 5,367.31

Step by Step Solution

1. Step 1: Write the proportion equation
   7,051.30 : 9,708.59 = 5,367.31 : x
2. Step 2: Convert to fraction form
   7,051.30/9,708.59 = 5,367.31/x
3. Step 3: Cross multiply
   7,051.30x = 9,708.59 × 5,367.31
4. Step 4: Simplify right side
   7,051.30x = 52,109,001.34
5. Step 5: Solve for x
   x = 52,109,001.34/7,051.30
6. Step 6: Final answer
   x = 7,389.99