Finding the Fourth Proportional to 78,770.04, 108,703.56 and 42,959.94

Step by Step Solution

1. Step 1: Write the proportion equation
   78,770.04 : 108,703.56 = 42,959.94 : x
2. Step 2: Convert to fraction form
   78,770.04/108,703.56 = 42,959.94/x
3. Step 3: Cross multiply
   78,770.04x = 108,703.56 × 42,959.94
4. Step 4: Simplify right side
   78,770.04x = 4,669,898,415.39
5. Step 5: Solve for x
   x = 4,669,898,415.39/78,770.04
6. Step 6: Final answer
   x = 59,285.21