Finding the Fourth Proportional to 55,106.31, 75,964.06 and 43,148.89

Step by Step Solution

1. Step 1: Write the proportion equation
   55,106.31 : 75,964.06 = 43,148.89 : x
2. Step 2: Convert to fraction form
   55,106.31/75,964.06 = 43,148.89/x
3. Step 3: Cross multiply
   55,106.31x = 75,964.06 × 43,148.89
4. Step 4: Simplify right side
   55,106.31x = 3,277,764,868.89
5. Step 5: Solve for x
   x = 3,277,764,868.89/55,106.31
6. Step 6: Final answer
   x = 59,480.75