Finding the Fourth Proportional to 56,805.53, 78,362.79 and 43,353.42

Step by Step Solution

1. Step 1: Write the proportion equation
   56,805.53 : 78,362.79 = 43,353.42 : x
2. Step 2: Convert to fraction form
   56,805.53/78,362.79 = 43,353.42/x
3. Step 3: Cross multiply
   56,805.53x = 78,362.79 × 43,353.42
4. Step 4: Simplify right side
   56,805.53x = 3,397,294,947.24
5. Step 5: Solve for x
   x = 3,397,294,947.24/56,805.53
6. Step 6: Final answer
   x = 59,805.71