Finding the Fourth Proportional to 42,084.30, 63,126.54 and 17,106.72

Step by Step Solution

1. Step 1: Write the proportion equation
   42,084.30 : 63,126.54 = 17,106.72 : x
2. Step 2: Convert to fraction form
   42,084.30/63,126.54 = 17,106.72/x
3. Step 3: Cross multiply
   42,084.30x = 63,126.54 × 17,106.72
4. Step 4: Simplify right side
   42,084.30x = 1,079,888,044.35
5. Step 5: Solve for x
   x = 1,079,888,044.35/42,084.30
6. Step 6: Final answer
   x = 25,660.12