Finding the Fourth Proportional to 10,686.25, 14,746.75 and 5,970.57

Step by Step Solution

1. Step 1: Write the proportion equation
   10,686.25 : 14,746.75 = 5,970.57 : x
2. Step 2: Convert to fraction form
   10,686.25/14,746.75 = 5,970.57/x
3. Step 3: Cross multiply
   10,686.25x = 14,746.75 × 5,970.57
4. Step 4: Simplify right side
   10,686.25x = 88,046,503.15
5. Step 5: Solve for x
   x = 88,046,503.15/10,686.25
6. Step 6: Final answer
   x = 8,239.23