Finding the Fourth Proportional to 85,144.65, 117,495 and 46,896.76

Step by Step Solution

1. Step 1: Write the proportion equation
   85,144.65 : 117,495 = 46,896.76 : x
2. Step 2: Convert to fraction form
   85,144.65/117,495 = 46,896.76/x
3. Step 3: Cross multiply
   85,144.65x = 117,495 × 46,896.76
4. Step 4: Simplify right side
   85,144.65x = 5,510,134,816.20
5. Step 5: Solve for x
   x = 5,510,134,816.20/85,144.65
6. Step 6: Final answer
   x = 64,714.99