Finding the Fourth Proportional to 46,820.52, 64,646.16 and 28,940.04

Step by Step Solution

1. Step 1: Write the proportion equation
   46,820.52 : 64,646.16 = 28,940.04 : x
2. Step 2: Convert to fraction form
   46,820.52/64,646.16 = 28,940.04/x
3. Step 3: Cross multiply
   46,820.52x = 64,646.16 × 28,940.04
4. Step 4: Simplify right side
   46,820.52x = 1,870,862,456.25
5. Step 5: Solve for x
   x = 1,870,862,456.25/46,820.52
6. Step 6: Final answer
   x = 39,958.17