Finding the Fourth Proportional to 21,695.48, 29,937.90 and 12,622.52

Step by Step Solution

1. Step 1: Write the proportion equation
   21,695.48 : 29,937.90 = 12,622.52 : x
2. Step 2: Convert to fraction form
   21,695.48/29,937.90 = 12,622.52/x
3. Step 3: Cross multiply
   21,695.48x = 29,937.90 × 12,622.52
4. Step 4: Simplify right side
   21,695.48x = 377,891,741.51
5. Step 5: Solve for x
   x = 377,891,741.51/21,695.48
6. Step 6: Final answer
   x = 17,417.99