Finding the Fourth Proportional to 7,828.57, 10,737.28 and 7,404.94

Step by Step Solution

1. Step 1: Write the proportion equation
   7,828.57 : 10,737.28 = 7,404.94 : x
2. Step 2: Convert to fraction form
   7,828.57/10,737.28 = 7,404.94/x
3. Step 3: Cross multiply
   7,828.57x = 10,737.28 × 7,404.94
4. Step 4: Simplify right side
   7,828.57x = 79,508,914.16
5. Step 5: Solve for x
   x = 79,508,914.16/7,828.57
6. Step 6: Final answer
   x = 10,156.25