Finding the Fourth Proportional to 9,316.26, 12,856.18 and 5,124.52

Step by Step Solution

1. Step 1: Write the proportion equation
   9,316.26 : 12,856.18 = 5,124.52 : x
2. Step 2: Convert to fraction form
   9,316.26/12,856.18 = 5,124.52/x
3. Step 3: Cross multiply
   9,316.26x = 12,856.18 × 5,124.52
4. Step 4: Simplify right side
   9,316.26x = 65,881,751.53
5. Step 5: Solve for x
   x = 65,881,751.53/9,316.26
6. Step 6: Final answer
   x = 7,071.70