Finding the Fourth Proportional to 22,503.47, 31,054.59 and 12,432.17

Step by Step Solution

1. Step 1: Write the proportion equation
   22,503.47 : 31,054.59 = 12,432.17 : x
2. Step 2: Convert to fraction form
   22,503.47/31,054.59 = 12,432.17/x
3. Step 3: Cross multiply
   22,503.47x = 31,054.59 × 12,432.17
4. Step 4: Simplify right side
   22,503.47x = 386,075,786.89
5. Step 5: Solve for x
   x = 386,075,786.89/22,503.47
6. Step 6: Final answer
   x = 17,156.28