Finding the Fourth Proportional to 22,074.90, 30,455.91 and 12,513.76

Step by Step Solution

1. Step 1: Write the proportion equation
   22,074.90 : 30,455.91 = 12,513.76 : x
2. Step 2: Convert to fraction form
   22,074.90/30,455.91 = 12,513.76/x
3. Step 3: Cross multiply
   22,074.90x = 30,455.91 × 12,513.76
4. Step 4: Simplify right side
   22,074.90x = 381,117,948.32
5. Step 5: Solve for x
   x = 381,117,948.32/22,074.90
6. Step 6: Final answer
   x = 17,264.76