Finding the Fourth Proportional to 55,849, 77,071.74 and 30,698.68

Step by Step Solution

1. Step 1: Write the proportion equation
   55,849 : 77,071.74 = 30,698.68 : x
2. Step 2: Convert to fraction form
   55,849/77,071.74 = 30,698.68/x
3. Step 3: Cross multiply
   55,849x = 77,071.74 × 30,698.68
4. Step 4: Simplify right side
   55,849x = 2,366,000,683.30
5. Step 5: Solve for x
   x = 2,366,000,683.30/55,849
6. Step 6: Final answer
   x = 42,364.24