Finding the Fourth Proportional to 85,078.50, 117,406.25 and 46,837.74

Step by Step Solution

1. Step 1: Write the proportion equation
   85,078.50 : 117,406.25 = 46,837.74 : x
2. Step 2: Convert to fraction form
   85,078.50/117,406.25 = 46,837.74/x
3. Step 3: Cross multiply
   85,078.50x = 117,406.25 × 46,837.74
4. Step 4: Simplify right side
   85,078.50x = 5,499,043,411.88
5. Step 5: Solve for x
   x = 5,499,043,411.88/85,078.50
6. Step 6: Final answer
   x = 64,634.94