Finding the Fourth Proportional to 22,111.95, 30,507.55 and 12,551.11

Step by Step Solution

1. Step 1: Write the proportion equation
   22,111.95 : 30,507.55 = 12,551.11 : x
2. Step 2: Convert to fraction form
   22,111.95/30,507.55 = 12,551.11/x
3. Step 3: Cross multiply
   22,111.95x = 30,507.55 × 12,551.11
4. Step 4: Simplify right side
   22,111.95x = 382,903,615.88
5. Step 5: Solve for x
   x = 382,903,615.88/22,111.95
6. Step 6: Final answer
   x = 17,316.59