Finding the Fourth Proportional to 22,602.32, 31,171.56 and 17,878.32

Step by Step Solution

1. Step 1: Write the proportion equation
   22,602.32 : 31,171.56 = 17,878.32 : x
2. Step 2: Convert to fraction form
   22,602.32/31,171.56 = 17,878.32/x
3. Step 3: Cross multiply
   22,602.32x = 31,171.56 × 17,878.32
4. Step 4: Simplify right side
   22,602.32x = 557,295,124.58
5. Step 5: Solve for x
   x = 557,295,124.58/22,602.32
6. Step 6: Final answer
   x = 24,656.55