Finding the Fourth Proportional to 11,622.42, 17,426.61 and 4,688.82

Step by Step Solution

1. Step 1: Write the proportion equation
   11,622.42 : 17,426.61 = 4,688.82 : x
2. Step 2: Convert to fraction form
   11,622.42/17,426.61 = 4,688.82/x
3. Step 3: Cross multiply
   11,622.42x = 17,426.61 × 4,688.82
4. Step 4: Simplify right side
   11,622.42x = 81,710,237.50
5. Step 5: Solve for x
   x = 81,710,237.50/11,622.42
6. Step 6: Final answer
   x = 7,030.40