Finding the Fourth Proportional to 42,617.25, 63,915.61 and 13,035.34

Step by Step Solution

1. Step 1: Write the proportion equation
   42,617.25 : 63,915.61 = 13,035.34 : x
2. Step 2: Convert to fraction form
   42,617.25/63,915.61 = 13,035.34/x
3. Step 3: Cross multiply
   42,617.25x = 63,915.61 × 13,035.34
4. Step 4: Simplify right side
   42,617.25x = 833,161,707.66
5. Step 5: Solve for x
   x = 833,161,707.66/42,617.25
6. Step 6: Final answer
   x = 19,549.87