Finding the Fourth Proportional to 65,526.50, 90,426.63 and 35,718.50

Step by Step Solution

1. Step 1: Write the proportion equation
   65,526.50 : 90,426.63 = 35,718.50 : x
2. Step 2: Convert to fraction form
   65,526.50/90,426.63 = 35,718.50/x
3. Step 3: Cross multiply
   65,526.50x = 90,426.63 × 35,718.50
4. Step 4: Simplify right side
   65,526.50x = 3,229,903,583.66
5. Step 5: Solve for x
   x = 3,229,903,583.66/65,526.50
6. Step 6: Final answer
   x = 49,291.56