Finding the Fourth Proportional to 3,931.90, 5,426.01 and 2,359.99

Step by Step Solution

1. Step 1: Write the proportion equation
   3,931.90 : 5,426.01 = 2,359.99 : x
2. Step 2: Convert to fraction form
   3,931.90/5,426.01 = 2,359.99/x
3. Step 3: Cross multiply
   3,931.90x = 5,426.01 × 2,359.99
4. Step 4: Simplify right side
   3,931.90x = 12,805,329.34
5. Step 5: Solve for x
   x = 12,805,329.34/3,931.90
6. Step 6: Final answer
   x = 3,256.78