Finding the Fourth Proportional to 78,556.12, 108,405.68 and 42,746.22

Step by Step Solution

1. Step 1: Write the proportion equation
   78,556.12 : 108,405.68 = 42,746.22 : x
2. Step 2: Convert to fraction form
   78,556.12/108,405.68 = 42,746.22/x
3. Step 3: Cross multiply
   78,556.12x = 108,405.68 × 42,746.22
4. Step 4: Simplify right side
   78,556.12x = 4,633,932,832.80
5. Step 5: Solve for x
   x = 4,633,932,832.80/78,556.12
6. Step 6: Final answer
   x = 58,988.82