Finding the Fourth Proportional to 7,309.98, 10,075.92 and 5,713.81

Step by Step Solution

1. Step 1: Write the proportion equation
   7,309.98 : 10,075.92 = 5,713.81 : x
2. Step 2: Convert to fraction form
   7,309.98/10,075.92 = 5,713.81/x
3. Step 3: Cross multiply
   7,309.98x = 10,075.92 × 5,713.81
4. Step 4: Simplify right side
   7,309.98x = 57,571,892.46
5. Step 5: Solve for x
   x = 57,571,892.46/7,309.98
6. Step 6: Final answer
   x = 7,875.79