Finding the Fourth Proportional to 85,907.64, 118,546.52 and 49,610.72

Step by Step Solution

1. Step 1: Write the proportion equation
   85,907.64 : 118,546.52 = 49,610.72 : x
2. Step 2: Convert to fraction form
   85,907.64/118,546.52 = 49,610.72/x
3. Step 3: Cross multiply
   85,907.64x = 118,546.52 × 49,610.72
4. Step 4: Simplify right side
   85,907.64x = 5,881,178,210.69
5. Step 5: Solve for x
   x = 5,881,178,210.69/85,907.64
6. Step 6: Final answer
   x = 68,459.32