Finding the Fourth Proportional to 62,770.72, 86,638.52 and 35,928.70

Step by Step Solution

1. Step 1: Write the proportion equation
   62,770.72 : 86,638.52 = 35,928.70 : x
2. Step 2: Convert to fraction form
   62,770.72/86,638.52 = 35,928.70/x
3. Step 3: Cross multiply
   62,770.72x = 86,638.52 × 35,928.70
4. Step 4: Simplify right side
   62,770.72x = 3,112,809,393.52
5. Step 5: Solve for x
   x = 3,112,809,393.52/62,770.72
6. Step 6: Final answer
   x = 49,590.15