Finding the Fourth Proportional to 7,045.81, 9,723.52 and 3,902.00

Step by Step Solution

1. Step 1: Write the proportion equation
   7,045.81 : 9,723.52 = 3,902.00 : x
2. Step 2: Convert to fraction form
   7,045.81/9,723.52 = 3,902.00/x
3. Step 3: Cross multiply
   7,045.81x = 9,723.52 × 3,902.00
4. Step 4: Simplify right side
   7,045.81x = 37,941,131.30
5. Step 5: Solve for x
   x = 37,941,131.30/7,045.81
6. Step 6: Final answer
   x = 5,384.92