Finding the Fourth Proportional to 11,618.46, 17,432.37 and 4,693.50

Step by Step Solution

1. Step 1: Write the proportion equation
   11,618.46 : 17,432.37 = 4,693.50 : x
2. Step 2: Convert to fraction form
   11,618.46/17,432.37 = 4,693.50/x
3. Step 3: Cross multiply
   11,618.46x = 17,432.37 × 4,693.50
4. Step 4: Simplify right side
   11,618.46x = 81,818,828.60
5. Step 5: Solve for x
   x = 81,818,828.60/11,618.46
6. Step 6: Final answer
   x = 7,042.14