Finding the Fourth Proportional to 78,757.07, 108,683.33 and 42,946.34

Step by Step Solution

1. Step 1: Write the proportion equation
   78,757.07 : 108,683.33 = 42,946.34 : x
2. Step 2: Convert to fraction form
   78,757.07/108,683.33 = 42,946.34/x
3. Step 3: Cross multiply
   78,757.07x = 108,683.33 × 42,946.34
4. Step 4: Simplify right side
   78,757.07x = 4,667,550,484.36
5. Step 5: Solve for x
   x = 4,667,550,484.36/78,757.07
6. Step 6: Final answer
   x = 59,265.17