Finding the Fourth Proportional to 22,484.64, 31,028.35 and 12,412.50

Step by Step Solution

1. Step 1: Write the proportion equation
   22,484.64 : 31,028.35 = 12,412.50 : x
2. Step 2: Convert to fraction form
   22,484.64/31,028.35 = 12,412.50/x
3. Step 3: Cross multiply
   22,484.64x = 31,028.35 × 12,412.50
4. Step 4: Simplify right side
   22,484.64x = 385,139,394.38
5. Step 5: Solve for x
   x = 385,139,394.38/22,484.64
6. Step 6: Final answer
   x = 17,129.00