Finding the Fourth Proportional to 65,859.50, 90,886.12 and 36,051.50

Step by Step Solution

1. Step 1: Write the proportion equation
   65,859.50 : 90,886.12 = 36,051.50 : x
2. Step 2: Convert to fraction form
   65,859.50/90,886.12 = 36,051.50/x
3. Step 3: Cross multiply
   65,859.50x = 90,886.12 × 36,051.50
4. Step 4: Simplify right side
   65,859.50x = 3,276,580,410.62
5. Step 5: Solve for x
   x = 3,276,580,410.62/65,859.50
6. Step 6: Final answer
   x = 49,751.07