Finding the Fourth Proportional to 42,548.72, 63,823.16 and 17,561.36

Step by Step Solution

1. Step 1: Write the proportion equation
   42,548.72 : 63,823.16 = 17,561.36 : x
2. Step 2: Convert to fraction form
   42,548.72/63,823.16 = 17,561.36/x
3. Step 3: Cross multiply
   42,548.72x = 63,823.16 × 17,561.36
4. Step 4: Simplify right side
   42,548.72x = 1,120,821,489.10
5. Step 5: Solve for x
   x = 1,120,821,489.10/42,548.72
6. Step 6: Final answer
   x = 26,342.07