Finding the Fourth Proportional to 42,113.58, 63,115.55 and 17,124.47

Step by Step Solution

1. Step 1: Write the proportion equation
   42,113.58 : 63,115.55 = 17,124.47 : x
2. Step 2: Convert to fraction form
   42,113.58/63,115.55 = 17,124.47/x
3. Step 3: Cross multiply
   42,113.58x = 63,115.55 × 17,124.47
4. Step 4: Simplify right side
   42,113.58x = 1,080,820,342.51
5. Step 5: Solve for x
   x = 1,080,820,342.51/42,113.58
6. Step 6: Final answer
   x = 25,664.41