Finding the Fourth Proportional to 5,426.50, 7,488.57 and 2,942.50

Step by Step Solution

1. Step 1: Write the proportion equation
   5,426.50 : 7,488.57 = 2,942.50 : x
2. Step 2: Convert to fraction form
   5,426.50/7,488.57 = 2,942.50/x
3. Step 3: Cross multiply
   5,426.50x = 7,488.57 × 2,942.50
4. Step 4: Simplify right side
   5,426.50x = 22,035,117.23
5. Step 5: Solve for x
   x = 22,035,117.23/5,426.50
6. Step 6: Final answer
   x = 4,060.65