Finding the Fourth Proportional to 42,406.56, 63,597.60 and 17,106.08

Step by Step Solution

1. Step 1: Write the proportion equation
   42,406.56 : 63,597.60 = 17,106.08 : x
2. Step 2: Convert to fraction form
   42,406.56/63,597.60 = 17,106.08/x
3. Step 3: Cross multiply
   42,406.56x = 63,597.60 × 17,106.08
4. Step 4: Simplify right side
   42,406.56x = 1,087,905,633.41
5. Step 5: Solve for x
   x = 1,087,905,633.41/42,406.56
6. Step 6: Final answer
   x = 25,654.18