Finding the Fourth Proportional to 7,513.80, 11,262.32 and 3,810.76

Step by Step Solution

1. Step 1: Write the proportion equation
   7,513.80 : 11,262.32 = 3,810.76 : x
2. Step 2: Convert to fraction form
   7,513.80/11,262.32 = 3,810.76/x
3. Step 3: Cross multiply
   7,513.80x = 11,262.32 × 3,810.76
4. Step 4: Simplify right side
   7,513.80x = 42,917,998.56
5. Step 5: Solve for x
   x = 42,917,998.56/7,513.80
6. Step 6: Final answer
   x = 5,711.89