Finding the Fourth Proportional to 7,489.02, 10,384.71 and 7,239.94

Step by Step Solution

1. Step 1: Write the proportion equation
   7,489.02 : 10,384.71 = 7,239.94 : x
2. Step 2: Convert to fraction form
   7,489.02/10,384.71 = 7,239.94/x
3. Step 3: Cross multiply
   7,489.02x = 10,384.71 × 7,239.94
4. Step 4: Simplify right side
   7,489.02x = 75,184,677.32
5. Step 5: Solve for x
   x = 75,184,677.32/7,489.02
6. Step 6: Final answer
   x = 10,039.32