Finding the Fourth Proportional to 55,795.01, 76,995.72 and 31,920.12

Step by Step Solution

1. Step 1: Write the proportion equation
   55,795.01 : 76,995.72 = 31,920.12 : x
2. Step 2: Convert to fraction form
   55,795.01/76,995.72 = 31,920.12/x
3. Step 3: Cross multiply
   55,795.01x = 76,995.72 × 31,920.12
4. Step 4: Simplify right side
   55,795.01x = 2,457,712,621.89
5. Step 5: Solve for x
   x = 2,457,712,621.89/55,795.01
6. Step 6: Final answer
   x = 44,048.97