Finding the Fourth Proportional to 78,603.97, 108,475.43 and 42,795.95

Step by Step Solution

1. Step 1: Write the proportion equation
   78,603.97 : 108,475.43 = 42,795.95 : x
2. Step 2: Convert to fraction form
   78,603.97/108,475.43 = 42,795.95/x
3. Step 3: Cross multiply
   78,603.97x = 108,475.43 × 42,795.95
4. Step 4: Simplify right side
   78,603.97x = 4,642,309,078.51
5. Step 5: Solve for x
   x = 4,642,309,078.51/78,603.97
6. Step 6: Final answer
   x = 59,059.47