Finding the Fourth Proportional to 7,854.18, 11,780.04 and 5,100.37

Step by Step Solution

1. Step 1: Write the proportion equation
   7,854.18 : 11,780.04 = 5,100.37 : x
2. Step 2: Convert to fraction form
   7,854.18/11,780.04 = 5,100.37/x
3. Step 3: Cross multiply
   7,854.18x = 11,780.04 × 5,100.37
4. Step 4: Simplify right side
   7,854.18x = 60,082,562.61
5. Step 5: Solve for x
   x = 60,082,562.61/7,854.18
6. Step 6: Final answer
   x = 7,649.76