Finding the Fourth Proportional to 78,346.79, 108,118.86 and 42,536.79

Step by Step Solution

1. Step 1: Write the proportion equation
   78,346.79 : 108,118.86 = 42,536.79 : x
2. Step 2: Convert to fraction form
   78,346.79/108,118.86 = 42,536.79/x
3. Step 3: Cross multiply
   78,346.79x = 108,118.86 × 42,536.79
4. Step 4: Simplify right side
   78,346.79x = 4,599,029,078.35
5. Step 5: Solve for x
   x = 4,599,029,078.35/78,346.79
6. Step 6: Final answer
   x = 58,700.93