Finding the Fourth Proportional to 12,635.84, 17,432.90 and 7,530.32

Step by Step Solution

1. Step 1: Write the proportion equation
   12,635.84 : 17,432.90 = 7,530.32 : x
2. Step 2: Convert to fraction form
   12,635.84/17,432.90 = 7,530.32/x
3. Step 3: Cross multiply
   12,635.84x = 17,432.90 × 7,530.32
4. Step 4: Simplify right side
   12,635.84x = 131,275,315.53
5. Step 5: Solve for x
   x = 131,275,315.53/12,635.84
6. Step 6: Final answer
   x = 10,389.12