Finding the Fourth Proportional to 22,076, 30,464.88 and 12,140

Step by Step Solution

1. Step 1: Write the proportion equation
   22,076 : 30,464.88 = 12,140 : x
2. Step 2: Convert to fraction form
   22,076/30,464.88 = 12,140/x
3. Step 3: Cross multiply
   22,076x = 30,464.88 × 12,140
4. Step 4: Simplify right side
   22,076x = 369,843,643.20
5. Step 5: Solve for x
   x = 369,843,643.20/22,076
6. Step 6: Final answer
   x = 16,753.20