Finding the Fourth Proportional to 62,638.07, 86,442.20 and 35,789.23

Step by Step Solution

1. Step 1: Write the proportion equation
   62,638.07 : 86,442.20 = 35,789.23 : x
2. Step 2: Convert to fraction form
   62,638.07/86,442.20 = 35,789.23/x
3. Step 3: Cross multiply
   62,638.07x = 86,442.20 × 35,789.23
4. Step 4: Simplify right side
   62,638.07x = 3,093,699,769.59
5. Step 5: Solve for x
   x = 3,093,699,769.59/62,638.07
6. Step 6: Final answer
   x = 49,390.09