Finding the Fourth Proportional to 55,870.48, 77,079.28 and 31,984.28

Step by Step Solution

1. Step 1: Write the proportion equation
   55,870.48 : 77,079.28 = 31,984.28 : x
2. Step 2: Convert to fraction form
   55,870.48/77,079.28 = 31,984.28/x
3. Step 3: Cross multiply
   55,870.48x = 77,079.28 × 31,984.28
4. Step 4: Simplify right side
   55,870.48x = 2,465,325,273.72
5. Step 5: Solve for x
   x = 2,465,325,273.72/55,870.48
6. Step 6: Final answer
   x = 44,125.72