Finding the Fourth Proportional to 5,336.48, 7,364.03 and 2,978.77

Step by Step Solution

1. Step 1: Write the proportion equation
   5,336.48 : 7,364.03 = 2,978.77 : x
2. Step 2: Convert to fraction form
   5,336.48/7,364.03 = 2,978.77/x
3. Step 3: Cross multiply
   5,336.48x = 7,364.03 × 2,978.77
4. Step 4: Simplify right side
   5,336.48x = 21,935,714.82
5. Step 5: Solve for x
   x = 21,935,714.82/5,336.48
6. Step 6: Final answer
   x = 4,110.53