Finding the Fourth Proportional to 42,124.17, 63,186.47 and 17,164.47

Step by Step Solution

1. Step 1: Write the proportion equation
   42,124.17 : 63,186.47 = 17,164.47 : x
2. Step 2: Convert to fraction form
   42,124.17/63,186.47 = 17,164.47/x
3. Step 3: Cross multiply
   42,124.17x = 63,186.47 × 17,164.47
4. Step 4: Simplify right side
   42,124.17x = 1,084,562,182.90
5. Step 5: Solve for x
   x = 1,084,562,182.90/42,124.17
6. Step 6: Final answer
   x = 25,746.79