Finding the Fourth Proportional to 55,987.34, 77,258.98 and 30,836.84

Step by Step Solution

1. Step 1: Write the proportion equation
   55,987.34 : 77,258.98 = 30,836.84 : x
2. Step 2: Convert to fraction form
   55,987.34/77,258.98 = 30,836.84/x
3. Step 3: Cross multiply
   55,987.34x = 77,258.98 × 30,836.84
4. Step 4: Simplify right side
   55,987.34x = 2,382,422,804.82
5. Step 5: Solve for x
   x = 2,382,422,804.82/55,987.34
6. Step 6: Final answer
   x = 42,552.88