Finding the Fourth Proportional to 77,078.08, 106,384.91 and 46,857

Step by Step Solution

1. Step 1: Write the proportion equation
   77,078.08 : 106,384.91 = 46,857 : x
2. Step 2: Convert to fraction form
   77,078.08/106,384.91 = 46,857/x
3. Step 3: Cross multiply
   77,078.08x = 106,384.91 × 46,857
4. Step 4: Simplify right side
   77,078.08x = 4,984,877,493.59
5. Step 5: Solve for x
   x = 4,984,877,493.59/77,078.08
6. Step 6: Final answer
   x = 64,673.09