Finding the Fourth Proportional to 46,740.16, 64,528.05 and 30,870.82

Step by Step Solution

1. Step 1: Write the proportion equation
   46,740.16 : 64,528.05 = 30,870.82 : x
2. Step 2: Convert to fraction form
   46,740.16/64,528.05 = 30,870.82/x
3. Step 3: Cross multiply
   46,740.16x = 64,528.05 × 30,870.82
4. Step 4: Simplify right side
   46,740.16x = 1,992,033,816.50
5. Step 5: Solve for x
   x = 1,992,033,816.50/46,740.16
6. Step 6: Final answer
   x = 42,619.32