Finding the Fourth Proportional to 22,051.89, 30,434.27 and 12,620.25

Step by Step Solution

1. Step 1: Write the proportion equation
   22,051.89 : 30,434.27 = 12,620.25 : x
2. Step 2: Convert to fraction form
   22,051.89/30,434.27 = 12,620.25/x
3. Step 3: Cross multiply
   22,051.89x = 30,434.27 × 12,620.25
4. Step 4: Simplify right side
   22,051.89x = 384,088,095.97
5. Step 5: Solve for x
   x = 384,088,095.97/22,051.89
6. Step 6: Final answer
   x = 17,417.47