Finding the Fourth Proportional to 12,536.52, 17,300.63 and 6,870.90

Step by Step Solution

1. Step 1: Write the proportion equation
   12,536.52 : 17,300.63 = 6,870.90 : x
2. Step 2: Convert to fraction form
   12,536.52/17,300.63 = 6,870.90/x
3. Step 3: Cross multiply
   12,536.52x = 17,300.63 × 6,870.90
4. Step 4: Simplify right side
   12,536.52x = 118,870,898.67
5. Step 5: Solve for x
   x = 118,870,898.67/12,536.52
6. Step 6: Final answer
   x = 9,481.97