Finding the Fourth Proportional to 55,698, 76,863.24 and 30,547.56

Step by Step Solution

1. Step 1: Write the proportion equation
   55,698 : 76,863.24 = 30,547.56 : x
2. Step 2: Convert to fraction form
   55,698/76,863.24 = 30,547.56/x
3. Step 3: Cross multiply
   55,698x = 76,863.24 × 30,547.56
4. Step 4: Simplify right side
   55,698x = 2,347,984,435.69
5. Step 5: Solve for x
   x = 2,347,984,435.69/55,698
6. Step 6: Final answer
   x = 42,155.63