Finding the Fourth Proportional to 46,456.92, 64,137.15 and 30,587.50

Step by Step Solution

1. Step 1: Write the proportion equation
   46,456.92 : 64,137.15 = 30,587.50 : x
2. Step 2: Convert to fraction form
   46,456.92/64,137.15 = 30,587.50/x
3. Step 3: Cross multiply
   46,456.92x = 64,137.15 × 30,587.50
4. Step 4: Simplify right side
   46,456.92x = 1,961,795,075.63
5. Step 5: Solve for x
   x = 1,961,795,075.63/46,456.92
6. Step 6: Final answer
   x = 42,228.26