Finding the Fourth Proportional to 10,507.48, 14,499.75 and 5,791.39

Step by Step Solution

1. Step 1: Write the proportion equation
   10,507.48 : 14,499.75 = 5,791.39 : x
2. Step 2: Convert to fraction form
   10,507.48/14,499.75 = 5,791.39/x
3. Step 3: Cross multiply
   10,507.48x = 14,499.75 × 5,791.39
4. Step 4: Simplify right side
   10,507.48x = 83,973,707.15
5. Step 5: Solve for x
   x = 83,973,707.15/10,507.48
6. Step 6: Final answer
   x = 7,991.80