Finding the Fourth Proportional to 46,680.22, 64,397.86 and 28,768.69

Step by Step Solution

1. Step 1: Write the proportion equation
   46,680.22 : 64,397.86 = 28,768.69 : x
2. Step 2: Convert to fraction form
   46,680.22/64,397.86 = 28,768.69/x
3. Step 3: Cross multiply
   46,680.22x = 64,397.86 × 28,768.69
4. Step 4: Simplify right side
   46,680.22x = 1,852,642,071.00
5. Step 5: Solve for x
   x = 1,852,642,071.00/46,680.22
6. Step 6: Final answer
   x = 39,687.95