Finding the Fourth Proportional to 65,107.55, 97,664.15 and 31,855.61

Step by Step Solution

1. Step 1: Write the proportion equation
   65,107.55 : 97,664.15 = 31,855.61 : x
2. Step 2: Convert to fraction form
   65,107.55/97,664.15 = 31,855.61/x
3. Step 3: Cross multiply
   65,107.55x = 97,664.15 × 31,855.61
4. Step 4: Simplify right side
   65,107.55x = 3,111,150,664.70
5. Step 5: Solve for x
   x = 3,111,150,664.70/65,107.55
6. Step 6: Final answer
   x = 47,784.79