Finding the Fourth Proportional to 55,670.16, 76,824.76 and 30,521.28

Step by Step Solution

1. Step 1: Write the proportion equation
   55,670.16 : 76,824.76 = 30,521.28 : x
2. Step 2: Convert to fraction form
   55,670.16/76,824.76 = 30,521.28/x
3. Step 3: Cross multiply
   55,670.16x = 76,824.76 × 30,521.28
4. Step 4: Simplify right side
   55,670.16x = 2,344,790,010.89
5. Step 5: Solve for x
   x = 2,344,790,010.89/55,670.16
6. Step 6: Final answer
   x = 42,119.33