Finding the Fourth Proportional to 86,618.50, 119,533.59 and 46,874.50

Step by Step Solution

1. Step 1: Write the proportion equation
   86,618.50 : 119,533.59 = 46,874.50 : x
2. Step 2: Convert to fraction form
   86,618.50/119,533.59 = 46,874.50/x
3. Step 3: Cross multiply
   86,618.50x = 119,533.59 × 46,874.50
4. Step 4: Simplify right side
   86,618.50x = 5,603,077,264.46
5. Step 5: Solve for x
   x = 5,603,077,264.46/86,618.50
6. Step 6: Final answer
   x = 64,686.84