Finding the Fourth Proportional to 77,007.56, 106,272.72 and 43,017.49

Step by Step Solution

1. Step 1: Write the proportion equation
   77,007.56 : 106,272.72 = 43,017.49 : x
2. Step 2: Convert to fraction form
   77,007.56/106,272.72 = 43,017.49/x
3. Step 3: Cross multiply
   77,007.56x = 106,272.72 × 43,017.49
4. Step 4: Simplify right side
   77,007.56x = 4,571,585,404.19
5. Step 5: Solve for x
   x = 4,571,585,404.19/77,007.56
6. Step 6: Final answer
   x = 59,365.41