Finding the Fourth Proportional to 42,051.43, 63,103.40 and 17,091.47

Step by Step Solution

1. Step 1: Write the proportion equation
   42,051.43 : 63,103.40 = 17,091.47 : x
2. Step 2: Convert to fraction form
   42,051.43/63,103.40 = 17,091.47/x
3. Step 3: Cross multiply
   42,051.43x = 63,103.40 × 17,091.47
4. Step 4: Simplify right side
   42,051.43x = 1,078,529,834.31
5. Step 5: Solve for x
   x = 1,078,529,834.31/42,051.43
6. Step 6: Final answer
   x = 25,647.88