Finding the Fourth Proportional to 55,663.84, 76,827.72 and 51,180.52

Step by Step Solution

1. Step 1: Write the proportion equation
   55,663.84 : 76,827.72 = 51,180.52 : x
2. Step 2: Convert to fraction form
   55,663.84/76,827.72 = 51,180.52/x
3. Step 3: Cross multiply
   55,663.84x = 76,827.72 × 51,180.52
4. Step 4: Simplify right side
   55,663.84x = 3,932,082,660.01
5. Step 5: Solve for x
   x = 3,932,082,660.01/55,663.84
6. Step 6: Final answer
   x = 70,639.80