Finding the Fourth Proportional to 55,365.64, 76,404.56 and 30,215.14

Step by Step Solution

1. Step 1: Write the proportion equation
   55,365.64 : 76,404.56 = 30,215.14 : x
2. Step 2: Convert to fraction form
   55,365.64/76,404.56 = 30,215.14/x
3. Step 3: Cross multiply
   55,365.64x = 76,404.56 × 30,215.14
4. Step 4: Simplify right side
   55,365.64x = 2,308,574,477.04
5. Step 5: Solve for x
   x = 2,308,574,477.04/55,365.64
6. Step 6: Final answer
   x = 41,696.88