Finding the Fourth Proportional to 77,016.42, 106,272.17 and 43,020.59

Step by Step Solution

1. Step 1: Write the proportion equation
   77,016.42 : 106,272.17 = 43,020.59 : x
2. Step 2: Convert to fraction form
   77,016.42/106,272.17 = 43,020.59/x
3. Step 3: Cross multiply
   77,016.42x = 106,272.17 × 43,020.59
4. Step 4: Simplify right side
   77,016.42x = 4,571,890,868.84
5. Step 5: Solve for x
   x = 4,571,890,868.84/77,016.42
6. Step 6: Final answer
   x = 59,362.55