Finding the Fourth Proportional to 10,522.69, 15,779.91 and 3,945.29

Step by Step Solution

1. Step 1: Write the proportion equation
   10,522.69 : 15,779.91 = 3,945.29 : x
2. Step 2: Convert to fraction form
   10,522.69/15,779.91 = 3,945.29/x
3. Step 3: Cross multiply
   10,522.69x = 15,779.91 × 3,945.29
4. Step 4: Simplify right side
   10,522.69x = 62,256,321.12
5. Step 5: Solve for x
   x = 62,256,321.12/10,522.69
6. Step 6: Final answer
   x = 5,916.39