Finding the Fourth Proportional to 65,165.90, 89,915.00 and 49,050.14

Step by Step Solution

1. Step 1: Write the proportion equation
   65,165.90 : 89,915.00 = 49,050.14 : x
2. Step 2: Convert to fraction form
   65,165.90/89,915.00 = 49,050.14/x
3. Step 3: Cross multiply
   65,165.90x = 89,915.00 × 49,050.14
4. Step 4: Simplify right side
   65,165.90x = 4,410,342,643.27
5. Step 5: Solve for x
   x = 4,410,342,643.27/65,165.90
6. Step 6: Final answer
   x = 67,678.69