Finding the Fourth Proportional to 42,036.42, 63,078.75 and 17,071.86

Step by Step Solution

1. Step 1: Write the proportion equation
   42,036.42 : 63,078.75 = 17,071.86 : x
2. Step 2: Convert to fraction form
   42,036.42/63,078.75 = 17,071.86/x
3. Step 3: Cross multiply
   42,036.42x = 63,078.75 × 17,071.86
4. Step 4: Simplify right side
   42,036.42x = 1,076,871,588.98
5. Step 5: Solve for x
   x = 1,076,871,588.98/42,036.42
6. Step 6: Final answer
   x = 25,617.59