Finding the Fourth Proportional to 46,364.80, 63,978.72 and 28,460.56

Step by Step Solution

1. Step 1: Write the proportion equation
   46,364.80 : 63,978.72 = 28,460.56 : x
2. Step 2: Convert to fraction form
   46,364.80/63,978.72 = 28,460.56/x
3. Step 3: Cross multiply
   46,364.80x = 63,978.72 × 28,460.56
4. Step 4: Simplify right side
   46,364.80x = 1,820,870,199.28
5. Step 5: Solve for x
   x = 1,820,870,199.28/46,364.80
6. Step 6: Final answer
   x = 39,272.69