Finding the Fourth Proportional to 22,606.17, 31,191.47 and 13,530.12

Step by Step Solution

1. Step 1: Write the proportion equation
   22,606.17 : 31,191.47 = 13,530.12 : x
2. Step 2: Convert to fraction form
   22,606.17/31,191.47 = 13,530.12/x
3. Step 3: Cross multiply
   22,606.17x = 31,191.47 × 13,530.12
4. Step 4: Simplify right side
   22,606.17x = 422,024,264.43
5. Step 5: Solve for x
   x = 422,024,264.43/22,606.17
6. Step 6: Final answer
   x = 18,668.54