Finding the Fourth Proportional to 65,853.23, 90,877.69 and 35,638.54

Step by Step Solution

1. Step 1: Write the proportion equation
   65,853.23 : 90,877.69 = 35,638.54 : x
2. Step 2: Convert to fraction form
   65,853.23/90,877.69 = 35,638.54/x
3. Step 3: Cross multiply
   65,853.23x = 90,877.69 × 35,638.54
4. Step 4: Simplify right side
   65,853.23x = 3,238,748,011.98
5. Step 5: Solve for x
   x = 3,238,748,011.98/65,853.23
6. Step 6: Final answer
   x = 49,181.31