Finding the Fourth Proportional to 55,749.90, 83,488.50 and 50,352.42

Step by Step Solution

1. Step 1: Write the proportion equation
   55,749.90 : 83,488.50 = 50,352.42 : x
2. Step 2: Convert to fraction form
   55,749.90/83,488.50 = 50,352.42/x
3. Step 3: Cross multiply
   55,749.90x = 83,488.50 × 50,352.42
4. Step 4: Simplify right side
   55,749.90x = 4,203,848,017.17
5. Step 5: Solve for x
   x = 4,203,848,017.17/55,749.90
6. Step 6: Final answer
   x = 75,405.48