Finding the Fourth Proportional to 42,057.61, 63,103.25 and 17,099.58

Step by Step Solution

1. Step 1: Write the proportion equation
   42,057.61 : 63,103.25 = 17,099.58 : x
2. Step 2: Convert to fraction form
   42,057.61/63,103.25 = 17,099.58/x
3. Step 3: Cross multiply
   42,057.61x = 63,103.25 × 17,099.58
4. Step 4: Simplify right side
   42,057.61x = 1,079,038,670.62
5. Step 5: Solve for x
   x = 1,079,038,670.62/42,057.61
6. Step 6: Final answer
   x = 25,656.21