Finding the Fourth Proportional to 42,196.32, 63,270.50 and 17,207.10

Step by Step Solution

1. Step 1: Write the proportion equation
   42,196.32 : 63,270.50 = 17,207.10 : x
2. Step 2: Convert to fraction form
   42,196.32/63,270.50 = 17,207.10/x
3. Step 3: Cross multiply
   42,196.32x = 63,270.50 × 17,207.10
4. Step 4: Simplify right side
   42,196.32x = 1,088,701,734.51
5. Step 5: Solve for x
   x = 1,088,701,734.51/42,196.32
6. Step 6: Final answer
   x = 25,800.87