Finding the Fourth Proportional to 7,801.74, 10,758.22 and 5,145.76

Step by Step Solution

1. Step 1: Write the proportion equation
   7,801.74 : 10,758.22 = 5,145.76 : x
2. Step 2: Convert to fraction form
   7,801.74/10,758.22 = 5,145.76/x
3. Step 3: Cross multiply
   7,801.74x = 10,758.22 × 5,145.76
4. Step 4: Simplify right side
   7,801.74x = 55,359,218.15
5. Step 5: Solve for x
   x = 55,359,218.15/7,801.74
6. Step 6: Final answer
   x = 7,095.75