Finding the Fourth Proportional to 65,475.50, 90,356.19 and 35,667.50

Step by Step Solution

1. Step 1: Write the proportion equation
   65,475.50 : 90,356.19 = 35,667.50 : x
2. Step 2: Convert to fraction form
   65,475.50/90,356.19 = 35,667.50/x
3. Step 3: Cross multiply
   65,475.50x = 90,356.19 × 35,667.50
4. Step 4: Simplify right side
   65,475.50x = 3,222,779,406.83
5. Step 5: Solve for x
   x = 3,222,779,406.83/65,475.50
6. Step 6: Final answer
   x = 49,221.15