Finding the Fourth Proportional to 5,379.76, 7,426.50 and 3,612.34

Step by Step Solution

1. Step 1: Write the proportion equation
   5,379.76 : 7,426.50 = 3,612.34 : x
2. Step 2: Convert to fraction form
   5,379.76/7,426.50 = 3,612.34/x
3. Step 3: Cross multiply
   5,379.76x = 7,426.50 × 3,612.34
4. Step 4: Simplify right side
   5,379.76x = 26,827,043.01
5. Step 5: Solve for x
   x = 26,827,043.01/5,379.76
6. Step 6: Final answer
   x = 4,986.66