Finding the Fourth Proportional to 12,632.12, 17,432.94 and 7,043

Step by Step Solution

1. Step 1: Write the proportion equation
   12,632.12 : 17,432.94 = 7,043 : x
2. Step 2: Convert to fraction form
   12,632.12/17,432.94 = 7,043/x
3. Step 3: Cross multiply
   12,632.12x = 17,432.94 × 7,043
4. Step 4: Simplify right side
   12,632.12x = 122,780,196.42
5. Step 5: Solve for x
   x = 122,780,196.42/12,632.12
6. Step 6: Final answer
   x = 9,719.68