Finding the Fourth Proportional to 22,302.72, 30,777.29 and 13,802.58

Step by Step Solution

1. Step 1: Write the proportion equation
   22,302.72 : 30,777.29 = 13,802.58 : x
2. Step 2: Convert to fraction form
   22,302.72/30,777.29 = 13,802.58/x
3. Step 3: Cross multiply
   22,302.72x = 30,777.29 × 13,802.58
4. Step 4: Simplify right side
   22,302.72x = 424,806,041.91
5. Step 5: Solve for x
   x = 424,806,041.91/22,302.72
6. Step 6: Final answer
   x = 19,047.28