Finding the Fourth Proportional to 22,100.84, 30,500.52 and 12,670.82

Step by Step Solution

1. Step 1: Write the proportion equation
   22,100.84 : 30,500.52 = 12,670.82 : x
2. Step 2: Convert to fraction form
   22,100.84/30,500.52 = 12,670.82/x
3. Step 3: Cross multiply
   22,100.84x = 30,500.52 × 12,670.82
4. Step 4: Simplify right side
   22,100.84x = 386,466,598.83
5. Step 5: Solve for x
   x = 386,466,598.83/22,100.84
6. Step 6: Final answer
   x = 17,486.51