Finding the Fourth Proportional to 11,433.29, 15,779.34 and 6,957.50

Step by Step Solution

1. Step 1: Write the proportion equation
   11,433.29 : 15,779.34 = 6,957.50 : x
2. Step 2: Convert to fraction form
   11,433.29/15,779.34 = 6,957.50/x
3. Step 3: Cross multiply
   11,433.29x = 15,779.34 × 6,957.50
4. Step 4: Simplify right side
   11,433.29x = 109,784,679.15
5. Step 5: Solve for x
   x = 109,784,679.15/11,433.29
6. Step 6: Final answer
   x = 9,602.20