Finding the Fourth Proportional to 22,503.51, 31,054.41 and 12,432.06

Step by Step Solution

1. Step 1: Write the proportion equation
   22,503.51 : 31,054.41 = 12,432.06 : x
2. Step 2: Convert to fraction form
   22,503.51/31,054.41 = 12,432.06/x
3. Step 3: Cross multiply
   22,503.51x = 31,054.41 × 12,432.06
4. Step 4: Simplify right side
   22,503.51x = 386,070,288.38
5. Step 5: Solve for x
   x = 386,070,288.38/22,503.51
6. Step 6: Final answer
   x = 17,156.00