Finding the Fourth Proportional to 10,527.75, 15,784.47 and 7,196.58

Step by Step Solution

1. Step 1: Write the proportion equation
   10,527.75 : 15,784.47 = 7,196.58 : x
2. Step 2: Convert to fraction form
   10,527.75/15,784.47 = 7,196.58/x
3. Step 3: Cross multiply
   10,527.75x = 15,784.47 × 7,196.58
4. Step 4: Simplify right side
   10,527.75x = 113,594,201.11
5. Step 5: Solve for x
   x = 113,594,201.11/10,527.75
6. Step 6: Final answer
   x = 10,789.98