Finding the Fourth Proportional to 61,273.46, 91,919.53 and 31,271.32

Step by Step Solution

1. Step 1: Write the proportion equation
   61,273.46 : 91,919.53 = 31,271.32 : x
2. Step 2: Convert to fraction form
   61,273.46/91,919.53 = 31,271.32/x
3. Step 3: Cross multiply
   61,273.46x = 91,919.53 × 31,271.32
4. Step 4: Simplify right side
   61,273.46x = 2,874,444,673.82
5. Step 5: Solve for x
   x = 2,874,444,673.82/61,273.46
6. Step 6: Final answer
   x = 46,911.74