Finding the Fourth Proportional to 42,123.67, 63,185.71 and 17,163.95

Step by Step Solution

1. Step 1: Write the proportion equation
   42,123.67 : 63,185.71 = 17,163.95 : x
2. Step 2: Convert to fraction form
   42,123.67/63,185.71 = 17,163.95/x
3. Step 3: Cross multiply
   42,123.67x = 63,185.71 × 17,163.95
4. Step 4: Simplify right side
   42,123.67x = 1,084,516,367.15
5. Step 5: Solve for x
   x = 1,084,516,367.15/42,123.67
6. Step 6: Final answer
   x = 25,746.01