Finding the Fourth Proportional to 55,636.12, 76,778.82 and 30,484.12

Step by Step Solution

1. Step 1: Write the proportion equation
   55,636.12 : 76,778.82 = 30,484.12 : x
2. Step 2: Convert to fraction form
   55,636.12/76,778.82 = 30,484.12/x
3. Step 3: Cross multiply
   55,636.12x = 76,778.82 × 30,484.12
4. Step 4: Simplify right side
   55,636.12x = 2,340,534,762.34
5. Step 5: Solve for x
   x = 2,340,534,762.34/55,636.12
6. Step 6: Final answer
   x = 42,068.62