Finding the Fourth Proportional to 7,379.98, 10,187.79 and 5,393.46

Step by Step Solution

1. Step 1: Write the proportion equation
   7,379.98 : 10,187.79 = 5,393.46 : x
2. Step 2: Convert to fraction form
   7,379.98/10,187.79 = 5,393.46/x
3. Step 3: Cross multiply
   7,379.98x = 10,187.79 × 5,393.46
4. Step 4: Simplify right side
   7,379.98x = 54,947,437.85
5. Step 5: Solve for x
   x = 54,947,437.85/7,379.98
6. Step 6: Final answer
   x = 7,445.47