Finding the Fourth Proportional to 78,603.84, 108,475.56 and 42,794.46

Step by Step Solution

1. Step 1: Write the proportion equation
   78,603.84 : 108,475.56 = 42,794.46 : x
2. Step 2: Convert to fraction form
   78,603.84/108,475.56 = 42,794.46/x
3. Step 3: Cross multiply
   78,603.84x = 108,475.56 × 42,794.46
4. Step 4: Simplify right side
   78,603.84x = 4,642,153,013.40
5. Step 5: Solve for x
   x = 4,642,153,013.40/78,603.84
6. Step 6: Final answer
   x = 59,057.59