Finding the Fourth Proportional to 42,103.02, 63,099.72 and 17,113.62

Step by Step Solution

1. Step 1: Write the proportion equation
   42,103.02 : 63,099.72 = 17,113.62 : x
2. Step 2: Convert to fraction form
   42,103.02/63,099.72 = 17,113.62/x
3. Step 3: Cross multiply
   42,103.02x = 63,099.72 × 17,113.62
4. Step 4: Simplify right side
   42,103.02x = 1,079,864,630.19
5. Step 5: Solve for x
   x = 1,079,864,630.19/42,103.02
6. Step 6: Final answer
   x = 25,648.15