Finding the Fourth Proportional to 22,547.86, 31,128.56 and 13,597.63

Step by Step Solution

1. Step 1: Write the proportion equation
   22,547.86 : 31,128.56 = 13,597.63 : x
2. Step 2: Convert to fraction form
   22,547.86/31,128.56 = 13,597.63/x
3. Step 3: Cross multiply
   22,547.86x = 31,128.56 × 13,597.63
4. Step 4: Simplify right side
   22,547.86x = 423,274,641.31
5. Step 5: Solve for x
   x = 423,274,641.31/22,547.86
6. Step 6: Final answer
   x = 18,772.28