Finding the Fourth Proportional to 60,669.25, 91,021.83 and 31,107.83

Step by Step Solution

1. Step 1: Write the proportion equation
   60,669.25 : 91,021.83 = 31,107.83 : x
2. Step 2: Convert to fraction form
   60,669.25/91,021.83 = 31,107.83/x
3. Step 3: Cross multiply
   60,669.25x = 91,021.83 × 31,107.83
4. Step 4: Simplify right side
   60,669.25x = 2,831,491,386.37
5. Step 5: Solve for x
   x = 2,831,491,386.37/60,669.25
6. Step 6: Final answer
   x = 46,670.95